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PerfMonAuditor.cpp
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1 #include "GaudiKernel/Auditor.h"
2 #include "GaudiKernel/IToolSvc.h"
3 #include "GaudiKernel/IIncidentListener.h"
4 #include "GaudiKernel/IIncidentSvc.h"
5 #include "GaudiKernel/IToolSvc.h"
6 #include "GaudiKernel/VectorMap.h"
7 #include "GaudiKernel/HashMap.h"
8 #include "GaudiKernel/MsgStream.h"
9
10 /*BEGIN: perfmon*/
11 #include <iostream>
12 #include <string>
13 #include <cstring>
14 #include <fstream>
15 #include <perfmon/pfmlib.h>
16 #include <perfmon/pfmlib_core.h>
17 #include <perfmon/pfmlib_intel_nhm.h>
18 #include <vector>
19 #include <map>
20 #include <utility>
21 #include <sstream>
22
23 #include <perfmon/perfmon.h>
24 #include <perfmon/perfmon_dfl_smpl.h>
25
27
29
30
31
32 #include <sys/types.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <stdarg.h>
36 #include <errno.h>
37 #include <unistd.h>
38 #include <string.h>
39 #include <signal.h>
40 #include <stdarg.h>
41 #include <stdint.h>
42 #include <getopt.h>
43 #include <time.h>
44 #include <sys/ptrace.h>
45 #include <sys/wait.h>
46 #include <sys/mman.h>
47 #include <sys/time.h>
48 #include <sys/resource.h>
49 #include <unistd.h>
50 #include <fcntl.h>
51 #include <zlib.h>
52
53 #include <algorithm>
54 #include <list>
55 #include <stack>
56 #include <cmath>
57 #include <sys/stat.h>
58 #include "IgHook_IgHookTrace.h"
59
60 // dlopen (link with -ldl)
61 #include <dlfcn.h>
62
63
64 #define MAX_EVT_NAME_LEN 256
65 #define NUM_PMCS PFMLIB_MAX_PMCS
66 #define NUM_PMDS PFMLIB_MAX_PMDS
67 #define FMT_NAME PFM_DFL_SMPL_NAME
68 #define BPL (sizeof(uint64_t)<<3)
69 #define LBPL 6
70
71 #define SYM_NAME_MAX_LENGTH 10000
72 #define MAX_OUTPUT_FILENAME_LENGTH 1024
73 #define MAX_EVENT_NAME_LENGTH 500
74 #define MAX_PREFIX_NAME_LENGTH 1024
75 #define FILENAME_MAX_LENGTH 1024
76
77 #define MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS 4
78
79 #define cpuid(func,ax,bx,cx,dx) __asm__ __volatile__ ("cpuid": "=a" (ax), "=b" (bx), "=c" (cx), "=d" (dx) : "a" (func));
80
81
82 static pfarg_pmd_t pd_smpl[NUM_PMDS];
83 static uint64_t collected_samples, collected_partial;
84 static int ctx_fd;
85 static pfm_dfl_smpl_hdr_t *hdr;
86 static uint64_t ovfl_count;
87 static size_t entry_size;
88 static unsigned int num_smpl_pmds;
89 static std::vector<std::map<std::string, std::map<unsigned long, unsigned int> > > samples(MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS); //a map of modules each containing numbers of samples of their addresses
90 static std::vector<std::map<std::string, std::vector<unsigned long int> > > results(MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS); //a map of modules and their result values across multiple events
91 static uint64_t last_overflow;
92 static uint64_t last_count;
93 static int sp[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS];
94
95 static std::stack<std::pair<INamedInterface *, std::vector<unsigned long int> > > alg_stack;
96 /*END: perfmon*/
97
98
99
100 namespace {
102 template <typename T>
103 inline T function_cast(void *p) {
104 union {
105 void* object;
106 T function;
107 } caster;
108 caster.object = p;
109 return caster.function;
110 }
111 class PFMon {
112 public:
113 bool loaded;
114 typedef void (*pfm_stop_t)(int);
115 pfm_stop_t pfm_stop;
116 typedef void (*pfm_self_stop_t)(int);
117 pfm_self_stop_t pfm_self_stop;
118 typedef os_err_t (*pfm_restart_t)(int);
119 pfm_restart_t pfm_restart;
120 typedef int (*pfm_read_pmds_t)(int, pfarg_pmd_t*, int);
121 pfm_read_pmds_t pfm_read_pmds;
122 typedef pfm_err_t (*pfm_initialize_t)();
123 pfm_initialize_t pfm_initialize;
124 typedef pfm_err_t (*pfm_find_full_event_t)(const char *, pfmlib_event_t *);
125 pfm_find_full_event_t pfm_find_full_event;
126 typedef pfm_err_t (*pfm_dispatch_events_t)(pfmlib_input_param_t *, void *, pfmlib_output_param_t *, void *);
127 pfm_dispatch_events_t pfm_dispatch_events;
128 typedef os_err_t (*pfm_create_context_t)(pfarg_ctx_t *, char *, void *, size_t);
129 pfm_create_context_t pfm_create_context;
130 typedef os_err_t (*pfm_write_pmcs_t)(int, pfarg_pmc_t *, int);
131 pfm_write_pmcs_t pfm_write_pmcs;
132 typedef os_err_t (*pfm_write_pmds_t)(int, pfarg_pmd_t *, int);
133 pfm_write_pmds_t pfm_write_pmds;
134 typedef os_err_t (*pfm_load_context_t)(int, pfarg_load_t *);
135 pfm_load_context_t pfm_load_context;
136 typedef os_err_t (*pfm_start_t)(int fd, pfarg_start_t *);
137 pfm_start_t pfm_start;
138 typedef char* (*pfm_strerror_t)(int);
139 pfm_strerror_t pfm_strerror;
140 typedef pfm_err_t (*pfm_set_options_t)(pfmlib_options_t *);
141 pfm_set_options_t pfm_set_options;
142 typedef pfm_err_t (*pfm_get_num_counters_t)(unsigned int *);
143 pfm_get_num_counters_t pfm_get_num_counters;
144 static PFMon &instance() {
145 return s_instance;
146 }
147 private:
148 // static void failure() { throw 1; }
149
150 void* handle;
151
152 PFMon() {
153 handle = dlopen("libpfm.so", RTLD_NOW);
154 if (handle) { loaded = true; } else { loaded = false; }
155 if (loaded) {
156 pfm_start = function_cast<pfm_start_t>(dlsym(handle, "pfm_start"));
157 pfm_stop = function_cast<pfm_stop_t>(dlsym(handle, "pfm_stop"));
158 pfm_self_stop = function_cast<pfm_self_stop_t>(dlsym(handle, "pfm_stop")); //it's the same
159 pfm_restart = function_cast<pfm_restart_t>(dlsym(handle, "pfm_restart"));
160 pfm_read_pmds = function_cast<pfm_read_pmds_t>(dlsym(handle, "pfm_read_pmds"));
161 pfm_initialize = function_cast<pfm_initialize_t>(dlsym(handle, "pfm_initialize"));
162 pfm_find_full_event = function_cast<pfm_find_full_event_t>(dlsym(handle, "pfm_find_full_event"));
163 pfm_dispatch_events = function_cast<pfm_dispatch_events_t>(dlsym(handle, "pfm_dispatch_events"));
164 pfm_create_context = function_cast<pfm_create_context_t>(dlsym(handle, "pfm_create_context"));
165 pfm_write_pmcs = function_cast<pfm_write_pmcs_t>(dlsym(handle, "pfm_write_pmcs"));
166 pfm_write_pmds = function_cast<pfm_write_pmds_t>(dlsym(handle, "pfm_write_pmds"));
167 pfm_load_context = function_cast<pfm_load_context_t>(dlsym(handle, "pfm_load_context"));
168 pfm_strerror = function_cast<pfm_strerror_t>(dlsym(handle, "pfm_strerror"));
169 pfm_set_options = function_cast<pfm_set_options_t>(dlsym(handle, "pfm_set_options"));
170 pfm_get_num_counters = function_cast<pfm_get_num_counters_t>(dlsym(handle, "pfm_get_num_counters"));
171 } else {
172 // pfm_start = pfm_stop = pfm_self_stop = pfm_restart = pfm_read_pmds = pfm_initialize = pfm_find_full_event = pfm_dispatch_events = pfm_create_context = pfm_write_pmcs = pfm_write_pmds = pfm_load_context = pfm_strerror = pfm_set_options = pfm_get_num_counters = failure;
173 }
174 }
175 ~PFMon() {
176 if (handle) dlclose(handle);
177 }
178
179 static PFMon s_instance;
180 };
181
182 PFMon PFMon::s_instance;
183 }
184
185
186
187 // ============================================================================
188 // GaudiAlg
189 // ============================================================================
190 // ============================================================================
200 class PerfMonAuditor: virtual public Auditor
201 {
202 public:
203 void before(StandardEventType evt, INamedInterface* alg) override;
204 void after(StandardEventType evt, INamedInterface* alg, const StatusCode &sc) override;
205 using Auditor::before;
206 using Auditor::after;
207
208 private:
209 void i_beforeInitialize(INamedInterface* alg);
210 void i_afterInitialize(INamedInterface* alg);
211 void i_beforeExecute(INamedInterface* alg);
212 void i_afterExecute(INamedInterface* alg);
213
214 public:
215 StatusCode initialize() override;
216 StatusCode finalize() override;
217 int is_nehalem() {
218 #ifdef __ICC
219 // Disable ICC remark #593: variable "x" was set but never used
220 #pragma warning(push)
221 #pragma warning(disable:593)
222 #endif
223 int a,b,c,d;
224 cpuid(1,a,b,c,d);
225 int sse4_2_mask = 1 << 20;
226 if(c & sse4_2_mask) return 1; else return 0;
227 #ifdef __ICC
228 #pragma warning(pop)
229 #endif
230 }
231
232 private:
233 PFMon &m_pfm;
234 /*
235 typedef void (*pfm_stop_t)(int);
236 pfm_stop_t pfm_stop;
237 typedef void (*pfm_self_stop_t)(int);
238 pfm_self_stop_t pfm_self_stop;
239
240 typedef os_err_t (*pfm_restart_t)(int);
241 pfm_restart_t pfm_restart;
242
243 //typedef int (*pfm_read_pmds_t)(int, pfarg_pmd_t*, int);
244 //pfm_read_pmds_t pfm_read_pmds;
245
246 typedef pfm_err_t (*pfm_initialize_t)();
247 pfm_initialize_t pfm_initialize;
248 typedef pfm_err_t (*pfm_find_full_event_t)(const char *, pfmlib_event_t *);
249 pfm_find_full_event_t pfm_find_full_event;
250 typedef pfm_err_t (*pfm_dispatch_events_t)(pfmlib_input_param_t *, void *, pfmlib_output_param_t *, void *);
251 pfm_dispatch_events_t pfm_dispatch_events;
252 typedef os_err_t (*pfm_create_context_t)(pfarg_ctx_t *, char *, void *, size_t);
253 pfm_create_context_t pfm_create_context;
254 typedef os_err_t (*pfm_write_pmcs_t)(int, pfarg_pmc_t *, int);
255 pfm_write_pmcs_t pfm_write_pmcs;
256 typedef os_err_t (*pfm_write_pmds_t)(int, pfarg_pmd_t *, int);
257 pfm_write_pmds_t pfm_write_pmds;
258 typedef os_err_t (*pfm_load_context_t)(int, pfarg_load_t *);
259 pfm_load_context_t pfm_load_context;
260 typedef os_err_t (*pfm_start_t)(int fd, pfarg_start_t *);
261 pfm_start_t pfm_start;
262 typedef char* (*pfm_strerror_t)(int);
263 pfm_strerror_t pfm_strerror;
264 typedef pfm_err_t (*pfm_set_options_t)(pfmlib_options_t *);
265 pfm_set_options_t pfm_set_options;
266 typedef pfm_err_t (*pfm_get_num_counters_t)(unsigned int *);
267 pfm_get_num_counters_t pfm_get_num_counters;
268 */
269
270
271 public:
272 PerfMonAuditor(const std::string& name, ISvcLocator* pSvc): // standard constructor
273 Auditor(name, pSvc),
274 m_pfm(PFMon::instance()),
275 m_map(),
276 m_indent(0),
277 m_inEvent(false)
278 {
279 is_nehalem_ret = is_nehalem();
280 declareProperty("EVENT0", event_str[0]);
281 declareProperty("EVENT1", event_str[1]);
282 declareProperty("EVENT2", event_str[2]);
283 declareProperty("EVENT3", event_str[3]);
284 declareProperty("FAMILY", family);
285 declareProperty("PREFIX", prefix);
286 declareProperty("INV0", inv[0]);
287 declareProperty("INV1", inv[1]);
288 declareProperty("INV2", inv[2]);
289 declareProperty("INV3", inv[3]);
290 declareProperty("CMASK0", cmask[0]);
291 declareProperty("CMASK1", cmask[1]);
292 declareProperty("CMASK2", cmask[2]);
293 declareProperty("CMASK3", cmask[3]);
294 declareProperty("SP0", sp[0]);
295 declareProperty("SP1", sp[1]);
296 declareProperty("SP2", sp[2]);
297 declareProperty("SP3", sp[3]);
298 declareProperty("SAMPLE", sampling);
299 declareProperty("START_AT_EVENT", start_at_event);
300 declareProperty("IS_NEHALEM", is_nehalem_ret);
301
302
304 /*
305 // loading functions from PFM library
306 void* handle = dlopen("libpfm.so", RTLD_NOW);
307 if (!handle) {
308 // error() << "Cannot open library: " << dlerror() << endmsg;
309 }
310 typedef void (*hello_t)();
311 hello_t hello = (hello_t) dlsym(handle, "hello");
312 if (!hello) {
313 // error() << "Cannot load symbol 'hello': " << dlerror() << endmsg;
314 dlclose(handle);
315 }
316
317 pfm_start = (pfm_start_t) dlsym(handle, "pfm_start");
318 pfm_stop = (pfm_stop_t) dlsym(handle, "pfm_stop");
319 pfm_self_stop = (pfm_self_stop_t) dlsym(handle, "pfm_stop"); //it's the same
320 pfm_restart = (pfm_restart_t) dlsym(handle, "pfm_restart");
321 //pfm_read_pmds = (pfm_read_pmds_t) dlsym(handle, "pfm_read_pmds");
322 pfm_initialize = (pfm_initialize_t) dlsym(handle, "pfm_initialize");
323 pfm_find_full_event = (pfm_find_full_event_t) dlsym(handle, "pfm_find_full_event");
324 pfm_dispatch_events = (pfm_dispatch_events_t) dlsym(handle, "pfm_dispatch_events");
325 pfm_create_context = (pfm_create_context_t) dlsym(handle, "pfm_create_context");
326 pfm_write_pmcs = (pfm_write_pmcs_t) dlsym(handle, "pfm_write_pmcs");
327 pfm_write_pmds = (pfm_write_pmds_t) dlsym(handle, "pfm_write_pmds");
328 pfm_load_context = (pfm_load_context_t) dlsym(handle, "pfm_load_context");
329 pfm_strerror = (pfm_strerror_t) dlsym(handle, "pfm_strerror");
330 pfm_set_options = (pfm_set_options_t) dlsym(handle, "pfm_set_options");
331 pfm_get_num_counters = (pfm_get_num_counters_t) dlsym(handle, "pfm_get_num_counters");
332 // use it to do the calculation
333 // info() << "Calling hello..." << endmsg;
334 // hello();
335
336 // close the library
337 // info() << "Closing library..." << endmsg;
338 dlclose(handle);
339 */
340
342
343 }
344
345 virtual ~PerfMonAuditor() {} // virtual destructor
346
347 private:
348 PerfMonAuditor(); // the default constructor is disabled
349 PerfMonAuditor(const PerfMonAuditor&); // copy constructor is disabled
350 PerfMonAuditor& operator=(const PerfMonAuditor&); // assignement operator is disabled
351
352 private:
353 typedef GaudiUtils::VectorMap<const INamedInterface*,int> Map;
354 Map m_map;
355 int m_indent; // indentation level
356 bool m_inEvent; // "In event" flag
357
358 private:
359 int is_nehalem_ret;
360
361 pfmlib_input_param_t inp;
362 pfmlib_output_param_t outp;
363 pfarg_ctx_t ctx;
364 pfarg_pmd_t pd[NUM_PMDS];
365 pfarg_pmc_t pc[NUM_PMCS];
366 pfarg_load_t load_arg;
367 int fd;
368 unsigned int i;
369 int ret;
370 void startpm();
371 void pausepm();
372 void stoppm();
373 void finalizepm();
374 std::string event_str[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS];
375 std::string prefix;
376 std::string family;
377 char event_cstr[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS][MAX_EVENT_NAME_LENGTH];
378 char prefix_cstr[MAX_PREFIX_NAME_LENGTH];
379 unsigned int ph_ev_count;
380 bool inv[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS];
381 unsigned int cmask[MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS];
382 unsigned int start_at_event;
383 pfmlib_core_input_param_t params;
384 pfmlib_nhm_input_param_t nhm_params;
385 int used_counters_number;
386 bool nehalem;
387 bool westmere;
388 bool core;
389
390 bool sampling;
391 int detect_unavail_pmu_regs(int fd, pfmlib_regmask_t *r_pmcs, pfmlib_regmask_t *r_pmds);
392 int detect_unavail_pmcs(int fd, pfmlib_regmask_t *r_pmcs){return detect_unavail_pmu_regs(fd, r_pmcs, NULL);}
393 void pfm_bv_set(uint64_t *bv, uint16_t rnum){bv[rnum>>LBPL] |= 1UL << (rnum&(BPL-1));}
394 int pfm_bv_isset(uint64_t *bv, uint16_t rnum){return bv[rnum>>LBPL] & (1UL <<(rnum&(BPL-1))) ? 1 : 0;}
395 void pfm_bv_copy(uint64_t *d, uint64_t *j, uint16_t n){if(n<=BPL) *d = *j; else {memcpy(d, j, (n>>LBPL)*sizeof(uint64_t));}}
396 static void process_smpl_buf(pfm_dfl_smpl_hdr_t *hdr, size_t entry_size);
397 static void sigio_handler(int, struct siginfo *, struct sigcontext *); // dlopen ==>
398 //void sigio_handler(int, struct siginfo *, struct sigcontext *);
399 void start_smpl();
400 void stop_smpl();
401 void finalize_smpl();
402 pfm_dfl_smpl_arg_t buf_arg;
403 pfarg_load_t load_args;
404 void *buf_addr;
405 unsigned num_counters;
406 unsigned int max_pmd;
407 pfmlib_options_t pfmlib_options;
408
409
410 int level;
411
412 bool first_alg;
413 std::string first_alg_name;
414 bool event_count_reached;
415
416
417 };
418
419 void PerfMonAuditor::startpm()
420 {
421 memset(&ctx,0, sizeof(ctx));
422 memset(&inp,0, sizeof(inp));
423 memset(&outp,0, sizeof(outp));
424 memset(pd, 0, sizeof(pd));
425 memset(pc, 0, sizeof(pc));
426 memset(&load_arg, 0, sizeof(load_arg));
427 memset(&params, 0, sizeof(params));
428 memset(&nhm_params, 0, sizeof(nhm_params));
429
430 for(int i=0; i<used_counters_number; i++)
431 {
432 ret = m_pfm.pfm_find_full_event(event_cstr[i], &inp.pfp_events[i]);
433 if(ret != PFMLIB_SUCCESS)
434 {
435 error() << "ERROR: cannot find event: " << event_cstr[i] << ". Aborting..." << endmsg;
436 }
437 }
438 inp.pfp_dfl_plm = PFM_PLM3;
439 inp.pfp_event_count = 4;
440 for(int i=0; i<used_counters_number; i++)
441 {
442 if(inv[i])
443 {
444 (params.pfp_core_counters[i]).flags |= PFM_CORE_SEL_INV;
445 (nhm_params.pfp_nhm_counters[i]).flags |= PFM_NHM_SEL_INV;
446 }
447 if(cmask[i]>0)
448 {
449 (params.pfp_core_counters[i]).cnt_mask = cmask[i];
450 (nhm_params.pfp_nhm_counters[i]).cnt_mask = cmask[i];
451 }
452 }
453 if(nehalem || westmere)
454 {
455 ret = m_pfm.pfm_dispatch_events(&inp, &nhm_params, &outp, NULL);
456 }
457 else
458 {
459 ret = m_pfm.pfm_dispatch_events(&inp, &params, &outp, NULL);
460 }
461 if(ret != PFMLIB_SUCCESS)
462 {
463 error() << "ERROR: cannot dispatch events: " << m_pfm.pfm_strerror(ret) << ". Aborting..." << endmsg;
464 }
465 for(unsigned int i=0; i<outp.pfp_pmc_count; i++)
466 {
467 pc[i].reg_num = outp.pfp_pmcs[i].reg_num;
468 pc[i].reg_value = outp.pfp_pmcs[i].reg_value;
469 }
470 for(unsigned int i=0; i<outp.pfp_pmd_count; i++)
471 {
472 pd[i].reg_num = outp.pfp_pmds[i].reg_num;
473 pd[i].reg_value = 0;
474 }
475 fd = m_pfm.pfm_create_context(&ctx, NULL, 0, 0);
476 if(fd == -1)
477 {
478 error() << "ERROR: Context not created. Aborting..." << endmsg;
479 }
480 if(m_pfm.pfm_write_pmcs(fd, pc, outp.pfp_pmc_count) == -1)
481 {
482 error() << "ERROR: Could not write pmcs. Aborting..." << endmsg;
483 }
484 if(m_pfm.pfm_write_pmds(fd, pd, outp.pfp_pmd_count) == -1)
485 {
486 error() << "ERROR: Could not write pmds. Aborting..." << endmsg;
487 }
488 load_arg.load_pid = getpid();
489 if(m_pfm.pfm_load_context(fd, &load_arg) == -1)
490 {
491 error() << "ERROR: Could not load context. Aborting..." << endmsg;
492 // error() << "Could not read pmds" << endmsg;
493 }
494
495 m_pfm.pfm_start(fd, NULL);
496 }
497
498
499
500
501
502 // stoppm()
503 // const ModuleDescription& desc : description of the module that just finished its execution (we are only interested in its name)
504 // stops the counting calling pfm_stop() and stores the counting results into the "results" map
505 void PerfMonAuditor::stoppm()
506 {
507 m_pfm.pfm_stop(fd);
508 if(m_pfm.pfm_read_pmds(fd, pd, inp.pfp_event_count) == -1)
509 {
510 error() << "Could not read pmds" << endmsg;
511 }
512 for(int i=0; i<used_counters_number; i++)
513 {
514 results[i][(alg_stack.top().first)->name()].push_back(alg_stack.top().second[i] + pd[i].reg_value);
515 }
516
517 close(fd);
518 }
519
520
521 void PerfMonAuditor::pausepm()
522 {
523 m_pfm.pfm_stop(fd);
524 if(m_pfm.pfm_read_pmds(fd, pd, inp.pfp_event_count) == -1)
525 {
526 error() << "Could not read pmds" << endmsg;
527 }
528
529 for(int i=0; i<used_counters_number; i++)
530 {
531 alg_stack.top().second[i] += pd[i].reg_value;
532 }
533
534 close(fd);
535 }
536
537
538 // finalizepm()
539 // called when all the countings of the current event are finished, it dumps the results
540 // into the output file corresponding to the event being counted
541 void PerfMonAuditor::finalizepm()
542 {
543 info() << "start of finalizepm ucn:" << used_counters_number << endmsg;
544 char filename[MAX_OUTPUT_FILENAME_LENGTH];
545 char to_cat[50];
546 FILE *outfile;
547 for(int i=0; i<used_counters_number; i++)
548 {
549 bzero(filename, MAX_OUTPUT_FILENAME_LENGTH);
550 sprintf(filename, "%s_%s", prefix_cstr, event_cstr[i]);
551 for(int j=0; j<(int)strlen(filename); j++)
552 {
553 if(filename[j]==':')
554 {
555 filename[j]='-';
556 }
557 }
558 bzero(to_cat, 50);
559 if(inv[i])
560 {
561 strcpy(to_cat, "_INV_1");
562 }
563 if(cmask[i]>0)
564 {
565 sprintf(to_cat, "%s_CMASK_%d", to_cat, cmask[i]);
566 }
567 sprintf(filename, "%s%s.txt", filename, to_cat);
568 info() << "Filename:" << filename << endmsg;
569 outfile = fopen(filename, "w");
570 if(nehalem)
571 {
572 fprintf(outfile, "NHM ");
573 }
574 else if(westmere)
575 {
576 fprintf(outfile, "WSM ");
577 }
578 else if(core)
579 {
580 fprintf(outfile, "CORE ");
581 }
582 fprintf(outfile, "%s %d %d %d\n", event_cstr[i], cmask[i], inv[i], sp[i]);
583 for(std::map<std::string, std::vector<unsigned long int> >::iterator it=(results[i]).begin(); it!=(results[i]).end(); it++)
584 {
585 fprintf(outfile, "%s\n", (it->first).c_str());
586 for(std::vector<unsigned long int>::iterator j=(it->second).begin(); j!=(it->second).end(); j++)
587 {
588 fprintf(outfile, "%lu\n", *j);
589 }
590 }
591 fclose(outfile);
592 }
593 }
594
595 StatusCode PerfMonAuditor::initialize()
596 {
597 if (!m_pfm.loaded) {
598 error() << "pfm library could not be loaded" << endmsg;
599 return false;
600 }
601
602 info() << "Initializing..." << endmsg;
603 StatusCode sc = Auditor::initialize() ;
604 if(sc.isFailure())
605 {
606 return sc;
607 }
608 used_counters_number = 0;
609 for(int i=0; i<MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS; i++)
610 {
611 if(event_str[i].length()>0) used_counters_number++;
612 }
613 for(int i=0; i<MAX_NUMBER_OF_PROGRAMMABLE_COUNTERS; i++)
614 {
615 strcpy(event_cstr[i], event_str[i].c_str());
616 }
617 strcpy(prefix_cstr, prefix.c_str());
618
619 if(m_pfm.pfm_initialize() != PFMLIB_SUCCESS)
620 {
621 error() << "Cannot initialize perfmon!!" << endmsg;
622 }
623 ph_ev_count = 0;
624 first_alg = true;
625 event_count_reached = false;
626 nehalem = false;
627 core = false;
628 westmere = false;
629 if(family.compare("CORE")==0) core = true;
630 else if(family.compare("NEHALEM")==0) nehalem = true;
631 else if(family.compare("WESTMERE")==0) westmere = true;
632 else
633 {
634 error() << "ERROR: Unsupported processor family " << family << ". aborting..." << endmsg;
635 }
636
637 info() << "Initialized!" << endmsg;
638 return StatusCode::SUCCESS ;
639 }
640
641 // process_smpl_buf()
642 // pfm_dfl_smpl_hdr_t *hdr : pointer to header of the buffer containing addresses sampled during the sampling process
643 // size_t entry_size : size of each entry, used to navigate through the various entries
644 // called when the sampling buffer is full, saves the samples into memory ("samples" map)
645 void PerfMonAuditor::process_smpl_buf(pfm_dfl_smpl_hdr_t *hdr, size_t entry_size)
646 {
648 pfm_dfl_smpl_entry_t *ent;
649 size_t pos, count;
650 uint64_t entry;
651 if(hdr->hdr_overflows == last_overflow && hdr->hdr_count == last_count)
652 {
653 printf("skipping identical set of samples...\n");
654 return;
655 }
656 count = hdr->hdr_count;
657 ent = (pfm_dfl_smpl_entry_t *)(hdr+1);
658 pos = (unsigned long)ent;
659 entry = collected_samples;
660 while(count--)
661 {
662 //if(ent->ovfl_pmd>=0 && ent->ovfl_pmd<=3)
663 if(ent->ovfl_pmd<=3)
664 {
665 ((samples[ent->ovfl_pmd])[(alg_stack.top().first)->name()])[(unsigned long)(ent->ip)]++;
666 }
667 pos += entry_size;
668 ent = (pfm_dfl_smpl_entry_t *)pos;
669 entry++;
670 }
671 collected_samples = entry;
672 last_overflow = hdr->hdr_overflows;
673 if (last_count != hdr->hdr_count && (last_count || last_overflow == 0))
674 {
675 collected_partial += hdr->hdr_count;
676 }
677 last_count = hdr->hdr_count;
678 return;
679 }
680
681 // sigio_handler()
682 // int n : signal number of the signal being delivered
683 // struct siginfo *info : pointer to a siginfo_t structure containing info about the signal
684 // struct sigcontext *sc : context of the signal, NULL in our case
685 // signal handler used to catch sampling buffer overflows. When they occur it calls the process_smpl_buf() function
686 void PerfMonAuditor::sigio_handler(int /*n*/, struct siginfo */*info*/, struct sigcontext */*sc*/)
687 {
688 PFMon& pfm = PFMon::instance();
689 pfarg_msg_t msg;
690 int fd = ctx_fd;
691 int r;
692 if(fd != ctx_fd)
693 {
694 //error() << "ERROR: handler does not get valid file descriptor. Aborting..." << endmsg;
695 }
696 if(pfm.pfm_read_pmds(fd, pd_smpl+1, 1) == -1)
697 {
698 //error() << "ERROR: pfm_read_pmds: " << strerror(errno) << ". Aborting..." << endmsg;
699 }
700 while(true)
701 {
702 r = read(fd, &msg, sizeof(msg));
703 if(r!=sizeof(msg))
704 {
705 if(r==-1 && errno==EINTR)
706 {
707 printf("read interrupted, retrying\n");
708 continue;
709 }
710 //error() << "ERROR: cannot read overflow message: " << strerror(errno) << ". Aborting..." << endmsg;
711 }
712 break;
713 }
714 switch(msg.type)
715 {
716 case PFM_MSG_OVFL: // the sampling buffer is full
717 process_smpl_buf(hdr, entry_size);
718 ovfl_count++;
719 if(pfm.pfm_restart(fd))
720 {
721 if(errno!=EBUSY)
722 {
723 //error() << "ERROR: pfm_restart error errno " << errno << ". Aborting..." << endmsg;
724 }
725 else
726 {
727 printf("pfm_restart: task probably terminated \n");
728 }
729 }
730 break;
731 default:
732 //error() << "ERROR: unknown message type " << msg.type << ". Aborting..." << endmsg;
733 break;
734 }
735
736 }
737
738
739
740
741
742
743
744 // start_smpl()
745 // const ModuleDescription& desc : description of the module that is just starting its execution (we are only interested in its name)
746 // initializes all the necessary structures to start the sampling, calling pfm_self_start()
747 void PerfMonAuditor::start_smpl()
748 {
749 ovfl_count = 0;
750 num_smpl_pmds = 0;
751 last_overflow = ~0;
752 max_pmd = 0;
753 memset(&pfmlib_options, 0, sizeof(pfmlib_options));
754 pfmlib_options.pfm_debug = 0;
755 pfmlib_options.pfm_verbose = 0;
756 m_pfm.pfm_set_options(&pfmlib_options);
757 ret = m_pfm.pfm_initialize();
758 if(ret != PFMLIB_SUCCESS)
759 {
760 error() << "ERROR: Cannot initialize library: " << m_pfm.pfm_strerror(ret) << ". Aborting..." << endmsg;
761 }
762 struct sigaction act;
763 memset(&act, 0, sizeof(act));
764 act.sa_handler = (sig_t)sigio_handler; // dlopen() ==>
765 //act.sa_handler = (sig_t)&sigio_handler;
766 sigaction(SIGIO, &act, 0);
767 memset(&ctx, 0, sizeof(ctx));
768 memset(&buf_arg, 0, sizeof(buf_arg));
769 memset(&inp,0, sizeof(inp));
770 memset(&outp,0, sizeof(outp));
771 memset(pd_smpl, 0, sizeof(pd_smpl));
772 memset(pc, 0, sizeof(pc));
773 memset(&load_args, 0, sizeof(load_args));
774 m_pfm.pfm_get_num_counters(&num_counters);
775 memset(&params, 0, sizeof(params));
776 memset(&nhm_params, 0, sizeof(nhm_params));
777
778 for(int i=0; i<used_counters_number; i++)
779 {
780 ret = m_pfm.pfm_find_full_event(event_cstr[i], &inp.pfp_events[i]);
781 if(ret != PFMLIB_SUCCESS)
782 {
783 error() << "ERROR: cannot find event: " << event_cstr[i] << ". Aborting..." << endmsg;
784 }
785 }
786 inp.pfp_dfl_plm = PFM_PLM3;
787 inp.pfp_event_count = 4;
788 for(int i=0; i<used_counters_number; i++)
789 {
790 if(inv[i])
791 {
792 (params.pfp_core_counters[i]).flags |= PFM_CORE_SEL_INV;
793 (nhm_params.pfp_nhm_counters[i]).flags |= PFM_NHM_SEL_INV;
794 }
795 if(cmask[i]>0)
796 {
797 (params.pfp_core_counters[i]).cnt_mask = cmask[i];
798 (nhm_params.pfp_nhm_counters[i]).cnt_mask = cmask[i];
799 }
800 }
801 if(nehalem || westmere)
802 {
803 ret = m_pfm.pfm_dispatch_events(&inp, &nhm_params, &outp, NULL);
804 }
805 else
806 {
807 ret = m_pfm.pfm_dispatch_events(&inp, &params, &outp, NULL);
808 }
809 if(ret != PFMLIB_SUCCESS)
810 {
811 error() << "ERROR: cannot configure events: " << m_pfm.pfm_strerror(ret) << ". Aborting..." << endmsg;
812 }
813 for(unsigned int i=0; i<outp.pfp_pmc_count; i++)
814 {
815 pc[i].reg_num = outp.pfp_pmcs[i].reg_num;
816 pc[i].reg_value = outp.pfp_pmcs[i].reg_value;
817 }
818 for(unsigned int i=0; i<outp.pfp_pmd_count; i++)
819 {
820 pd_smpl[i].reg_num = outp.pfp_pmds[i].reg_num;
821 if(i)
822 {
823 pfm_bv_set(pd_smpl[0].reg_smpl_pmds, pd_smpl[i].reg_num);
824 if(pd_smpl[i].reg_num>max_pmd)
825 {
826 max_pmd = pd_smpl[i].reg_num;
827 }
828 num_smpl_pmds++;
829 }
830 }
831 for(int i=0; i<used_counters_number; i++)
832 {
833 pd_smpl[i].reg_flags |= PFM_REGFL_OVFL_NOTIFY | PFM_REGFL_RANDOM;
834 pfm_bv_copy(pd_smpl[i].reg_reset_pmds, pd_smpl[i].reg_smpl_pmds, max_pmd);
835 pd_smpl[i].reg_value = (uint64_t)(sp[i] * -1);
836 pd_smpl[i].reg_short_reset = (uint64_t)(sp[i] * -1);
837 pd_smpl[i].reg_long_reset = (uint64_t)(sp[i] * -1);
838 pd_smpl[i].reg_random_seed = 5; //tocheck
839 pd_smpl[i].reg_random_mask = 0xff; //tocheck
840 }
841 entry_size = sizeof(pfm_dfl_smpl_entry_t)+(num_smpl_pmds<<3);
842 ctx.ctx_flags = 0;
843 buf_arg.buf_size = 3*getpagesize()+512;
844 ctx_fd = m_pfm.pfm_create_context(&ctx, (char *)FMT_NAME, &buf_arg, sizeof(buf_arg));
845 if(ctx_fd==-1)
846 {
847 if(errno==ENOSYS)
848 {
849 error() << "ERROR: Your kernel does not have performance monitoring support! Aborting..." << endmsg;
850 }
851 error() << "ERROR: Can't create PFM context " << strerror(errno) << ". Aborting..." << endmsg;
852 }
853 buf_addr = mmap(NULL, (size_t)buf_arg.buf_size, PROT_READ, MAP_PRIVATE, ctx_fd, 0);
854 if(buf_addr==MAP_FAILED)
855 {
856 error() << "ERROR: cannot mmap sampling buffer: " << strerror(errno) << ". Aborting..." << endmsg;
857 }
858 hdr = (pfm_dfl_smpl_hdr_t *)buf_addr;
859 if(PFM_VERSION_MAJOR(hdr->hdr_version)<1)
860 {
861 error() << "ERROR: invalid buffer format version. Aborting..." << endmsg;
862 }
863 if(m_pfm.pfm_write_pmcs(ctx_fd, pc, outp.pfp_pmc_count))
864 {
865 error() << "ERROR: pfm_write_pmcs error errno " << strerror(errno) << ". Aborting..." << endmsg;
866 }
867 if(m_pfm.pfm_write_pmds(ctx_fd, pd_smpl, outp.pfp_pmd_count))
868 {
869 error() << "ERROR: pfm_write_pmds error errno " << strerror(errno) << ". Aborting..." << endmsg;
870 }
871 load_args.load_pid = getpid();
872 if(m_pfm.pfm_load_context(ctx_fd, &load_args))
873 {
874 error() << "ERROR: pfm_load_context error errno " << strerror(errno) << ". Aborting..." << endmsg;
875 }
876 ret = fcntl(ctx_fd, F_SETFL, fcntl(ctx_fd, F_GETFL, 0) | O_ASYNC);
877 if(ret == -1)
878 {
879 error() << "ERROR: cannot set ASYNC: " << strerror(errno) << ". Aborting..." << endmsg;
880 }
881 ret = fcntl(ctx_fd, F_SETOWN, getpid());
882 if(ret == -1)
883 {
884 error() << "ERROR: cannot setown: " << strerror(errno) << ". Aborting..." << endmsg;
885 }
886 //pfm_self_start(ctx_fd); ==>
887 m_pfm.pfm_start(ctx_fd, NULL);
888 }
889
890
891 // stop_smpl()
892 // const ModuleDescription& desc : description of the module that just finished its execution (we are only interested in its name)
893 // stops the sampling and calls process_smpl_buf() one last time to process all the remaining samples
894 void PerfMonAuditor::stop_smpl()
895 {
896 m_pfm.pfm_self_stop(ctx_fd);
897 process_smpl_buf(hdr, entry_size);
898 close(ctx_fd);
899 ret = munmap(hdr, (size_t)buf_arg.buf_size);
900 if(ret)
901 {
902 error() << "Cannot unmap buffer: %s" << strerror(errno) << endmsg;
903 }
904 return;
905 }
906
907
908
909 // finalize_smpl()
910 // processes the sampling results in order to find library and offset of each sampled address, using the symbol() and tosymbol() functions,
911 // and then dumps the new found information into gzipped output files, to be processed later
912 void PerfMonAuditor::finalize_smpl()
913 {
914 char filename[MAX_OUTPUT_FILENAME_LENGTH];
915 bzero(filename, MAX_OUTPUT_FILENAME_LENGTH);
916 char to_cat[50];
917 gzFile outfile;
918 int err;
919 for(int i=0; i<used_counters_number; i++)
920 {
921 sprintf(filename, "%s_%s", prefix_cstr, event_cstr[i]);
922 for(int j=0; j<(int)strlen(filename); j++)
923 {
924 if(filename[j]==':')
925 {
926 filename[j]='-';
927 }
928 }
929 bzero(to_cat, 50);
930 if(inv[i])
931 {
932 strcpy(to_cat, "_INV_1");
933 }
934 if(cmask[i]>0)
935 {
936 sprintf(to_cat, "%s_CMASK_%d", to_cat, cmask[i]);
937 }
938 sprintf(filename, "%s%s.txt.gz", filename, to_cat);
939 outfile = gzopen(filename, "wb");
940 if(outfile!=NULL)
941 {
942 if(nehalem)
943 {
944 gzprintf(outfile, "NHM ");
945 }
946 else if(westmere)
947 {
948 gzprintf(outfile, "WSM ");
949 }
950 else if(core)
951 {
952 gzprintf(outfile, "CORE ");
953 }
954 if(gzprintf(outfile, "%s %d %d %d\n", event_cstr[i], cmask[i], inv[i], sp[i]) < (int)strlen(event_cstr[i]))
955 {
956 error() << "ERROR: gzputs err: " << gzerror(outfile, &err) << ". Aborting..." << endmsg;
957 }
958 for(std::map<std::string, std::map<unsigned long, unsigned int> >::iterator it=samples[i].begin(); it!=samples[i].end(); it++)
959 {
960 unsigned long long sum = 0;
961 for(std::map<unsigned long, unsigned int>::iterator jt=(it->second).begin(); jt!=(it->second).end(); jt++)
962 {
963 sum += jt->second;
964 }
965 if(gzprintf(outfile, "%s%%%llu\n", (it->first).c_str(), sum) < (int)((it->first).length()))
966 {
967 error() << "ERROR: gzputs err: " << gzerror(outfile, &err) << ". Aborting..." << endmsg;
968 }
969 for(std::map<unsigned long, unsigned int>::iterator jt=(it->second).begin(); jt!=(it->second).end(); jt++)
970 {
971 char sym_name[SYM_NAME_MAX_LENGTH];
972 bzero(sym_name, SYM_NAME_MAX_LENGTH);
973 const char *libName;
974 const char *symbolName;
975 int libOffset = 0;
976 int offset = 0;
977 void *sym_addr = IgHookTrace::tosymbol((void *)(jt->first));
978 if(sym_addr != NULL)
979 {
980 bool success = IgHookTrace::symbol(sym_addr, symbolName, libName, offset, libOffset);
981 if(success)
982 {
983 if(symbolName!=NULL && strlen(symbolName)>0)
984 {
985 strcpy(sym_name, symbolName);
986 strcat(sym_name, " ");
987 }
988 else
989 {
990 strcpy(sym_name, "??? ");
991 }
992 if(libName!=NULL && strlen(libName)>0)
993 {
994 strcat(sym_name, libName);
995 strcat(sym_name, " ");
996 }
997 else
998 {
999 strcat(sym_name, "??? ");
1000 }
1001 sprintf(sym_name, "%s%d ", sym_name, libOffset);
1002 if(strlen(sym_name)<=0)
1003 {
1004 error() << "ERROR: Symbol name length is zero. Aborting..." << endmsg;
1005 }
1006 }
1007 else
1008 {
1009 strcpy(sym_name,"??? ??? 0 ");
1010 }
1011 }
1012 else
1013 {
1014 strcpy(sym_name,"??? ??? 0 ");
1015 }
1016 if(gzprintf(outfile, "%s %d\n", sym_name, jt->second) < (int)strlen(sym_name))
1017 {
1018 error() << "ERROR: gzputs err: " << gzerror(outfile, &err) << endmsg;
1019 }
1020 }
1021 }
1022 }
1023 else
1024 {
1025 error() << "ERROR: Could not open file: " << filename << ". Aborting..." << endmsg;
1026 }
1027 gzclose(outfile);
1028 }
1029 }
1030
1031
1032
1033 StatusCode PerfMonAuditor::finalize()
1034 {
1035 if(sampling == 0) finalizepm();
1036 else finalize_smpl();
1037 return Auditor::finalize();
1038 }
1039
1040
1041 void PerfMonAuditor::before(StandardEventType evt, INamedInterface *alg)
1042 {
1043 switch(evt)
1044 {
1045 case IAuditor::Initialize:
1046 i_beforeInitialize(alg);
1047 break;
1048 case IAuditor::Execute:
1049 i_beforeExecute(alg);
1050 break;
1051 default:
1052 break;
1053 }
1054 return;
1055 }
1056
1057 void PerfMonAuditor::after(StandardEventType evt, INamedInterface *alg, const StatusCode &)
1058 {
1059 switch(evt)
1060 {
1061 case IAuditor::Initialize:
1062 i_afterInitialize(alg);
1063 break;
1064 case IAuditor::Execute:
1065 i_afterExecute(alg);
1066 break;
1067 default:
1068 break;
1069 }
1070 return;
1071 }
1072
1073 void PerfMonAuditor::i_beforeInitialize(INamedInterface* alg)
1074 {
1075 if(!alg) return;
1076 return;
1077 }
1078
1079 void PerfMonAuditor::i_afterInitialize(INamedInterface* alg)
1080 {
1081 if(!alg) return;
1082 return;
1083 }
1084
1085 void PerfMonAuditor::i_beforeExecute(INamedInterface* alg)
1086 {
1087 if(!alg) return;
1088 //info() << "before:inside! " << alg->name() << endmsg;
1089 if(first_alg)
1090 {
1091 first_alg = false;
1092 first_alg_name = alg->name();
1093 //info() << "first_alg_name= " << alg->name() << endmsg;
1094 }
1095 if(!event_count_reached)
1096 {
1097 if(!first_alg_name.compare(alg->name()))
1098 {
1099 ph_ev_count++;
1100 //info() << "EVENT COUNT: " << ph_ev_count << endmsg;
1101 if(ph_ev_count==start_at_event)
1102 {
1103 event_count_reached = true;
1104 //info() << "!!! EVENT COUNT REACHED: " << ph_ev_count << endmsg;
1105 }
1106 }
1107 }
1108 if(event_count_reached)
1109 {
1110 //info() << "before:inside! " << alg->name() << endmsg;
1111
1112 if(!alg_stack.empty())
1113 {
1114 if(sampling == 0) pausepm(); //pausing father algorithm counting
1115 else stop_smpl();
1116 }
1117 ++m_indent;
1118 std::vector <unsigned long int> zeroes(4,0);
1119 alg_stack.push(std::make_pair(alg, zeroes));
1120 if(sampling == 0) startpm();
1121 else start_smpl();
1122 }
1123 }
1124
1125 void PerfMonAuditor::i_afterExecute(INamedInterface* alg)
1126 {
1127 if(!alg) {
1128 return;
1129 }// info() << "after:inside! " << alg->name() << endmsg;
1130
1131 if(event_count_reached) {
1132 //info() << "after:inside! " << alg->name() << endmsg;
1133
1134 if(sampling == 0) stoppm();
1135 else stop_smpl();
1136 alg_stack.pop();
1137 --m_indent;
1138 if(!alg_stack.empty())
1139 {
1140 if(sampling == 0) startpm();
1141 else start_smpl(); //resuming father algorithm counting
1142 }
1143 }
1144 }
1145
1146 DECLARE_COMPONENT(PerfMonAuditor)
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Definition: pfmlib.h:53
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Definition: PerfMonAuditor.cpp:272
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Definition: PerfMonAuditor.cpp:376
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Definition: pfmlib_core.h:68
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Definition: IgHook_IgHookTrace.cpp:263
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Definition: PerfMonAuditor.cpp:894
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Definition: 3DoubleFuncTest.cpp:25
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Definition: pfmlib.h:283
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Definition: perfmon_dfl_smpl.h:46
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Definition: StatusCode.h:26
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Declare a property (templated)
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Definition: PerfMonAuditor.cpp:541
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auto end(reverse_wrapper< T > &w)
Definition: reverse.h:50
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Definition: pfmlib.h:126
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Definition: PerfMonAuditor.cpp:68
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Definition: PerfMonAuditor.cpp:368
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Definition: PerfMonAuditor.cpp:363
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Definition: INamedInterface.h:15
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Definition: PerfMonAuditor.cpp:379
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Definition: PerfMonAuditor.cpp:747
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Definition: PerfMonAuditor.cpp:382
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Definition: PerfMonAuditor.cpp:369
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Definition: PerfMonAuditor.cpp:390
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Definition: IAuditor.h:25
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Definition: FdsRegistry.py:8
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Definition: PerfMonAuditor.cpp:79
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#define PFM_REGFL_RANDOM
Definition: perfmon.h:114
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Definition: PerfMonAuditor.cpp:405
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Definition: PerfMonAuditor.cpp:402
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Definition: perfmon_v2.h:58
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Definition: gaudirun.py:259
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Definition: PerfMonAuditor.cpp:406
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Definition: PerfMonAuditor.cpp:387
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Definition: perfmon_v2.h:50
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Definition: PerfMonAuditor.cpp:595
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Definition: perfmon_dfl_smpl.h:47
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Definition: PerfMonAuditor.cpp:1085
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Definition: Auditor.cpp:70
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Definition: PerfMonAuditor.cpp:412
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Definition: PerfMonAuditor.cpp:77
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Definition: PerfMonAuditor.cpp:356
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Definition: perfmon_dfl_smpl.h:52
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Definition: PerfMonAuditor.cpp:1079
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Definition: PerfMonAuditor.cpp:1073
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Definition: PerfMonAuditor.cpp:367
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PerfMonAuditor::load_arg
pfarg_load_t load_arg
Definition: PerfMonAuditor.cpp:366
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Definition: perfmon.h:213
pfm_stop
os_err_t pfm_stop(int fd)
PerfMonAuditor::m_pfm
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Definition: PerfMonAuditor.cpp:233
Auditor.h
PerfMonAuditor::~PerfMonAuditor
virtual ~PerfMonAuditor()
Definition: PerfMonAuditor.cpp:345
PerfMonAuditor::Map
GaudiUtils::VectorMap< const INamedInterface *, int > Map
Definition: PerfMonAuditor.cpp:353
Auditor::before
void before(StandardEventType, INamedInterface *) override
The following methods are meant to be implemented by the child class...
Definition: Auditor.cpp:73
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uint64_t reg_value
Definition: perfmon_v2.h:42
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MsgStream & endmsg(MsgStream &s)
MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
Definition: MsgStream.h:244
INamedInterface::name
virtual const std::string & name() const =0
Retrieve the name of the instance.
PerfMonAuditor::before
void before(StandardEventType evt, INamedInterface *alg) override
Definition: PerfMonAuditor.cpp:1041
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Definition: IOTest.py:85
pfm_set_options
pfm_err_t pfm_set_options(pfmlib_options_t *opt)
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Definition: PerfMonAuditor.cpp:386
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Definition: PerfMonAuditor.cpp:388
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Base class from which all concrete auditor classes should be derived.
Definition: Auditor.h:35