FD.io VPP  v19.01.2-3-gf61a1a8
Vector Packet Processing
perfmon.c
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1 /*
2  * perfmon.c - skeleton vpp engine plug-in
3  *
4  * Copyright (c) <current-year> <your-organization>
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #include <vnet/vnet.h>
19 #include <vnet/plugin/plugin.h>
20 #include <perfmon/perfmon.h>
21 
22 #include <vlibapi/api.h>
23 #include <vlibmemory/api.h>
24 #include <vpp/app/version.h>
25 #include <linux/limits.h>
26 
28 
29 static char *perfmon_json_path = "/usr/share/vpp/plugins/perfmon";
30 
31 typedef struct
32 {
36  char *filename;
38 
39 /* Created by parsing mapfile.csv, see mapfile_tool.c */
40 
41 static const file_by_model_and_stepping_t fms_table[] = {
42  /* model, stepping, stepping valid, file */
43  {0x2E, 0x0, 0, "NehalemEX_core_V2.json"},
44  {0x1E, 0x0, 0, "NehalemEP_core_V2.json"},
45  {0x1F, 0x0, 0, "NehalemEP_core_V2.json"},
46  {0x1A, 0x0, 0, "NehalemEP_core_V2.json"},
47  {0x2F, 0x0, 0, "WestmereEX_core_V2.json"},
48  {0x25, 0x0, 0, "WestmereEP-SP_core_V2.json"},
49  {0x2C, 0x0, 0, "WestmereEP-DP_core_V2.json"},
50  {0x37, 0x0, 0, "Silvermont_core_V14.json"},
51  {0x4D, 0x0, 0, "Silvermont_core_V14.json"},
52  {0x4C, 0x0, 0, "Silvermont_core_V14.json"},
53  {0x5C, 0x0, 0, "goldmont_core_v13.json"},
54  {0x5F, 0x0, 0, "goldmont_core_v13.json"},
55  {0x1C, 0x0, 0, "Bonnell_core_V4.json"},
56  {0x26, 0x0, 0, "Bonnell_core_V4.json"},
57  {0x27, 0x0, 0, "Bonnell_core_V4.json"},
58  {0x36, 0x0, 0, "Bonnell_core_V4.json"},
59  {0x35, 0x0, 0, "Bonnell_core_V4.json"},
60  {0x2A, 0x0, 0, "sandybridge_core_v16.json"},
61  {0x2D, 0x0, 0, "Jaketown_core_V20.json"},
62  {0x3A, 0x0, 0, "ivybridge_core_v21.json"},
63  {0x3E, 0x0, 0, "ivytown_core_v20.json"},
64  {0x3C, 0x0, 0, "haswell_core_v28.json"},
65  {0x45, 0x0, 0, "haswell_core_v28.json"},
66  {0x46, 0x0, 0, "haswell_core_v28.json"},
67  {0x3F, 0x0, 0, "haswellx_core_v20.json"},
68  {0x3D, 0x0, 0, "broadwell_core_v23.json"},
69  {0x47, 0x0, 0, "broadwell_core_v23.json"},
70  {0x4F, 0x0, 0, "broadwellx_core_v14.json"},
71  {0x56, 0x0, 0, "broadwellde_core_v7.json"},
72  {0x4E, 0x0, 0, "skylake_core_v42.json"},
73  {0x5E, 0x0, 0, "skylake_core_v42.json"},
74  {0x8E, 0x0, 0, "skylake_core_v42.json"},
75  {0x9E, 0x0, 0, "skylake_core_v42.json"},
76  {0x57, 0x0, 0, "KnightsLanding_core_V9.json"},
77  {0x85, 0x0, 0, "KnightsLanding_core_V9.json"},
78  {0x55, 0x0, 1, "skylakex_core_v1.12.json"},
79  {0x55, 0x1, 1, "skylakex_core_v1.12.json"},
80  {0x55, 0x2, 1, "skylakex_core_v1.12.json"},
81  {0x55, 0x3, 1, "skylakex_core_v1.12.json"},
82  {0x55, 0x4, 1, "skylakex_core_v1.12.json"},
83  {0x55, 0x5, 1, "cascadelakex_core_v1.00.json"},
84  {0x55, 0x6, 1, "cascadelakex_core_v1.00.json"},
85  {0x55, 0x7, 1, "cascadelakex_core_v1.00.json"},
86  {0x55, 0x8, 1, "cascadelakex_core_v1.00.json"},
87  {0x55, 0x9, 1, "cascadelakex_core_v1.00.json"},
88  {0x55, 0xA, 1, "cascadelakex_core_v1.00.json"},
89  {0x55, 0xB, 1, "cascadelakex_core_v1.00.json"},
90  {0x55, 0xC, 1, "cascadelakex_core_v1.00.json"},
91  {0x55, 0xD, 1, "cascadelakex_core_v1.00.json"},
92  {0x55, 0xE, 1, "cascadelakex_core_v1.00.json"},
93  {0x55, 0xF, 1, "cascadelakex_core_v1.00.json"},
94  {0x7A, 0x0, 0, "goldmontplus_core_v1.01.json"},
95 };
96 
97 static void
99 {
100  char *p, path[PATH_MAX];
101  int rv;
102  u8 *s;
103 
104  /* find executable path */
105  if ((rv = readlink ("/proc/self/exe", path, PATH_MAX - 1)) == -1)
106  return;
107 
108  /* readlink doesn't provide null termination */
109  path[rv] = 0;
110 
111  /* strip filename */
112  if ((p = strrchr (path, '/')) == 0)
113  return;
114  *p = 0;
115 
116  /* strip bin/ */
117  if ((p = strrchr (path, '/')) == 0)
118  return;
119  *p = 0;
120 
121  /* cons up the .json file path */
122  s = format (0, "%s/share/vpp/plugins/perfmon", path);
123  vec_add1 (s, 0);
124  perfmon_json_path = (char *) s;
125 }
126 
127 static inline u32
128 get_cpuid (void)
129 {
130 #if defined(__x86_64__)
131  u32 cpuid;
132  asm volatile ("mov $1, %%eax; cpuid; mov %%eax, %0":"=r" (cpuid)::"%eax",
133  "%edx", "%ecx", "%rbx");
134  return cpuid;
135 #else
136  return 0;
137 #endif
138 }
139 
140 static clib_error_t *
142 {
144  clib_error_t *error = 0;
145  u32 cpuid;
146  uword *ht;
147  int found_a_table = 0;
148  int i;
149  u8 model, stepping;
150 
151  pm->vlib_main = vm;
152  pm->vnet_main = vnet_get_main ();
153 
155  hash_create_string (0, sizeof (uword));
156 
157  pm->log_class = vlib_log_register_class ("perfmon", 0);
158 
159  /* Default data collection interval */
160  pm->timeout_interval = 3.0;
161  vec_validate (pm->pm_fds, vec_len (vlib_mains) - 1);
164  pm->page_size = getpagesize ();
165 
166  ht = pm->perfmon_table = 0;
167 
169 
170  cpuid = get_cpuid ();
171 
172  for (i = 0; i < ARRAY_LEN (fms_table); i++)
173  {
174  model = ((cpuid >> 12) & 0xf0) | ((cpuid >> 4) & 0xf);
175  stepping = cpuid & 0xf;
176 
177  if (fms_table[i].model != model)
178  continue;
179 
180  if (fms_table[i].has_stepping)
181  {
182  if (fms_table[i].stepping != stepping)
183  continue;
184  }
185 
186  found_a_table = 1;
187  ht = perfmon_parse_table (pm, perfmon_json_path, fms_table[i].filename);
188  break;
189  }
190  pm->perfmon_table = ht;
191 
192  if (found_a_table == 0 || pm->perfmon_table == 0 || hash_elts (ht) == 0)
193  {
194  vlib_log_err (pm->log_class, "No table for cpuid %x", cpuid);
195  vlib_log_err (pm->log_class, " model %x, stepping %x",
196  model, stepping);
197  }
198 
199  return error;
200 }
201 
203 
204 /* *INDENT-OFF* */
206 {
207  .version = VPP_BUILD_VER,
208  .description = "Performance Monitor",
209 #if !defined(__x86_64__)
210  .default_disabled = 1,
211 #endif
212 };
213 /* *INDENT-ON* */
214 
215 static uword
216 atox (u8 * s)
217 {
218  uword rv = 0;
219 
220  while (*s)
221  {
222  if (*s >= '0' && *s <= '9')
223  rv = (rv << 4) | (*s - '0');
224  else if (*s >= 'a' && *s <= 'f')
225  rv = (rv << 4) | (*s - 'a' + 10);
226  else if (*s >= 'A' && *s <= 'A')
227  rv = (rv << 4) | (*s - 'A' + 10);
228  else if (*s == 'x')
229  ;
230  else
231  break;
232  s++;
233  }
234  return rv;
235 }
236 
237 static uword
239 {
240  perfmon_main_t *pm = va_arg (*args, perfmon_main_t *);
241  perfmon_event_config_t *ep = va_arg (*args, perfmon_event_config_t *);
242  u8 *s = 0;
243  name_value_pair_t **nvps, *nvp;
244  hash_pair_t *hp;
245  int i;
246  int set_values = 0;
247  u32 pe_config = 0;
248 
249  if (pm->perfmon_table == 0)
250  return 0;
251 
252  if (!unformat (input, "%s", &s))
253  return 0;
254 
255  hp = hash_get_pair_mem (pm->perfmon_table, s);
256 
257  vec_free (s);
258 
259  if (hp == 0)
260  return 0;
261 
262  nvps = (name_value_pair_t **) (hp->value[0]);
263 
264  for (i = 0; i < vec_len (nvps); i++)
265  {
266  nvp = nvps[i];
267  if (!strncmp ((char *) nvp->name, "EventCode", 9))
268  {
269  pe_config |= atox (nvp->value);
270  set_values++;
271  }
272  else if (!strncmp ((char *) nvp->name, "UMask", 5))
273  {
274  pe_config |= (atox (nvp->value) << 8);
275  set_values++;
276  }
277  if (set_values == 2)
278  break;
279  }
280 
281  if (set_values != 2)
282  {
283  clib_warning ("BUG: only found %d values", set_values);
284  return 0;
285  }
286 
287  ep->name = (char *) hp->key;
288  ep->pe_type = PERF_TYPE_RAW;
289  ep->pe_config = pe_config;
290  return 1;
291 }
292 
293 static clib_error_t *
295  unformat_input_t * input, vlib_cli_command_t * cmd)
296 {
298  unformat_input_t _line_input, *line_input = &_line_input;
300  u32 timeout_seconds;
301  u32 deadman;
302 
304  pm->ipc_event_index = ~0;
305  pm->mispredict_event_index = ~0;
306 
307  if (!unformat_user (input, unformat_line_input, line_input))
308  return clib_error_return (0, "counter names required...");
309 
310  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
311  {
312  if (unformat (line_input, "timeout %u", &timeout_seconds))
313  pm->timeout_interval = (f64) timeout_seconds;
314  else if (unformat (line_input, "instructions-per-clock"))
315  {
316  ec.name = "instructions";
317  ec.pe_type = PERF_TYPE_HARDWARE;
318  ec.pe_config = PERF_COUNT_HW_INSTRUCTIONS;
320  vec_add1 (pm->events_to_collect, ec);
321  ec.name = "cpu-cycles";
322  ec.pe_type = PERF_TYPE_HARDWARE;
323  ec.pe_config = PERF_COUNT_HW_CPU_CYCLES;
324  vec_add1 (pm->events_to_collect, ec);
325  }
326  else if (unformat (line_input, "branch-mispredict-rate"))
327  {
328  ec.name = "branch-misses";
329  ec.pe_type = PERF_TYPE_HARDWARE;
330  ec.pe_config = PERF_COUNT_HW_BRANCH_MISSES;
332  vec_add1 (pm->events_to_collect, ec);
333  ec.name = "branches";
334  ec.pe_type = PERF_TYPE_HARDWARE;
335  ec.pe_config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS;
336  vec_add1 (pm->events_to_collect, ec);
337  }
338  else if (unformat (line_input, "%U", unformat_processor_event, pm, &ec))
339  {
340  vec_add1 (pm->events_to_collect, ec);
341  }
342 #define _(type,event,str) \
343  else if (unformat (line_input, str)) \
344  { \
345  ec.name = str; \
346  ec.pe_type = type; \
347  ec.pe_config = event; \
348  vec_add1 (pm->events_to_collect, ec); \
349  }
351 #undef _
352  else
353  return clib_error_return (0, "unknown input '%U'",
354  format_unformat_error, line_input);
355  }
356 
357  if (vec_len (pm->events_to_collect) == 0)
358  return clib_error_return (0, "no events specified...");
359 
360  vlib_cli_output (vm, "Start collection for %d events, wait %.2f seconds",
362  (f64) (vec_len (pm->events_to_collect))
363  * pm->timeout_interval);
364 
366  PERFMON_START, 0);
367 
368  /* Coarse-grained wait */
370  ((f64) (vec_len (pm->events_to_collect)
371  * pm->timeout_interval)));
372 
373  deadman = 0;
374  /* Reasonable to guess that collection may not be quite done... */
375  while (pm->state == PERFMON_STATE_RUNNING)
376  {
377  vlib_process_suspend (vm, 10e-3);
378  if (deadman++ > 200)
379  {
380  vlib_cli_output (vm, "DEADMAN: collection still running...");
381  break;
382  }
383  }
384 
385  vlib_cli_output (vm, "Data collection complete...");
386  return 0;
387 }
388 
389 /* *INDENT-OFF* */
390 VLIB_CLI_COMMAND (set_pmc_command, static) =
391 {
392  .path = "set pmc",
393  .short_help = "set pmc c1 [..., use \"show pmc events\"]",
394  .function = set_pmc_command_fn,
395  .is_mp_safe = 1,
396 };
397 /* *INDENT-ON* */
398 
399 static int
400 capture_name_sort (void *a1, void *a2)
401 {
402  perfmon_capture_t *c1 = a1;
403  perfmon_capture_t *c2 = a2;
404 
405  return strcmp ((char *) c1->thread_and_node_name,
406  (char *) c2->thread_and_node_name);
407 }
408 
409 static u8 *
410 format_capture (u8 * s, va_list * args)
411 {
412  perfmon_main_t *pm = va_arg (*args, perfmon_main_t *);
413  perfmon_capture_t *c = va_arg (*args, perfmon_capture_t *);
414  int verbose __attribute__ ((unused)) = va_arg (*args, int);
415  f64 ticks_per_pkt;
416  int i;
417 
418  if (c == 0)
419  {
420  s = format (s, "%=40s%=20s%=16s%=16s%=16s",
421  "Name", "Counter", "Count", "Pkts", "Counts/Pkt");
422  return s;
423  }
424 
425  for (i = 0; i < vec_len (c->counter_names); i++)
426  {
427  u8 *name;
428 
429  if (i == 0)
430  name = c->thread_and_node_name;
431  else
432  {
433  vec_add1 (s, '\n');
434  name = (u8 *) "";
435  }
436 
437  /* Deal with synthetic events right here */
438  if (i == pm->ipc_event_index)
439  {
440  f64 ipc_rate;
441  ASSERT (i + 1 < vec_len (c->counter_names));
442 
443  if (c->counter_values[i + 1] > 0)
444  ipc_rate = (f64) c->counter_values[i]
445  / (f64) c->counter_values[i + 1];
446  else
447  ipc_rate = 0.0;
448 
449  s = format (s, "%-40s%+20s%+16llu%+16llu%+16.2e\n",
450  name, "instructions-per-clock",
451  c->counter_values[i],
452  c->counter_values[i + 1], ipc_rate);
453  name = (u8 *) "";
454  }
455 
456  if (i == pm->mispredict_event_index)
457  {
458  f64 mispredict_rate;
459  ASSERT (i + 1 < vec_len (c->counter_names));
460 
461  if (c->counter_values[i + 1] > 0)
462  mispredict_rate = (f64) c->counter_values[i]
463  / (f64) c->counter_values[i + 1];
464  else
465  mispredict_rate = 0.0;
466 
467  s = format (s, "%-40s%+20s%+16llu%+16llu%+16.2e\n",
468  name, "branch-mispredict-rate",
469  c->counter_values[i],
470  c->counter_values[i + 1], mispredict_rate);
471  name = (u8 *) "";
472  }
473 
474  if (c->vectors_this_counter[i])
475  ticks_per_pkt =
476  ((f64) c->counter_values[i]) / ((f64) c->vectors_this_counter[i]);
477  else
478  ticks_per_pkt = 0.0;
479 
480  s = format (s, "%-40s%+20s%+16llu%+16llu%+16.2e",
481  name, c->counter_names[i],
482  c->counter_values[i],
483  c->vectors_this_counter[i], ticks_per_pkt);
484  }
485  return s;
486 }
487 
488 static u8 *
489 format_generic_events (u8 * s, va_list * args)
490 {
491  int verbose = va_arg (*args, int);
492 
493 #define _(type,config,name) \
494  if (verbose == 0) \
495  s = format (s, "\n %s", name); \
496  else \
497  s = format (s, "\n %s (%d, %d)", name, type, config);
499 #undef _
500  return s;
501 }
502 
503 typedef struct
504 {
507 } sort_nvp_t;
508 
509 static int
510 sort_nvps_by_name (void *a1, void *a2)
511 {
512  sort_nvp_t *nvp1 = a1;
513  sort_nvp_t *nvp2 = a2;
514 
515  return strcmp ((char *) nvp1->name, (char *) nvp2->name);
516 }
517 
518 static u8 *
519 format_processor_events (u8 * s, va_list * args)
520 {
521  perfmon_main_t *pm = va_arg (*args, perfmon_main_t *);
522  int verbose = va_arg (*args, int);
523  int i, j;
524  sort_nvp_t *sort_nvps = 0;
525  sort_nvp_t *sn;
526  u8 *key;
527  name_value_pair_t **value;
528 
529  /* *INDENT-OFF* */
530  hash_foreach_mem (key, value, pm->perfmon_table,
531  ({
532  vec_add2 (sort_nvps, sn, 1);
533  sn->name = key;
534  sn->nvps = value;
535  }));
536 
538 
539  if (verbose == 0)
540  {
541  for (i = 0; i < vec_len (sort_nvps); i++)
542  s = format (s, "\n %s ", sort_nvps[i].name);
543  }
544  else
545  {
546  for (i = 0; i < vec_len (sort_nvps); i++)
547  {
548  name_value_pair_t **nvps;
549  s = format (s, "\n %s:", sort_nvps[i].name);
550 
551  nvps = sort_nvps[i].nvps;
552 
553  for (j = 0; j < vec_len (nvps); j++)
554  s = format (s, "\n %s = %s", nvps[j]->name, nvps[j]->value);
555  }
556  }
557  vec_free (sort_nvps);
558  return s;
559 }
560 
561 
562 static clib_error_t *
564  unformat_input_t * input, vlib_cli_command_t * cmd)
565 {
567  int verbose = 0;
568  int events = 0;
569  int i;
571  perfmon_capture_t *captures = 0;
572 
574  {
575  if (unformat (input, "events"))
576  events = 1;
577  else if (unformat (input, "verbose"))
578  verbose = 1;
579  else
580  break;
581  }
582 
583  if (events)
584  {
585  vlib_cli_output (vm, "Generic Events %U",
586  format_generic_events, verbose);
587  vlib_cli_output (vm, "Synthetic Events");
588  vlib_cli_output (vm, " instructions-per-clock");
589  vlib_cli_output (vm, " branch-mispredict-rate");
590  if (pm->perfmon_table)
591  vlib_cli_output (vm, "Processor Events %U",
592  format_processor_events, pm, verbose);
593  return 0;
594  }
595 
596  if (pm->state == PERFMON_STATE_RUNNING)
597  {
598  vlib_cli_output (vm, "Data collection in progress...");
599  return 0;
600  }
601 
602  if (pool_elts (pm->capture_pool) == 0)
603  {
604  vlib_cli_output (vm, "No data...");
605  return 0;
606  }
607 
608  /* *INDENT-OFF* */
609  pool_foreach (c, pm->capture_pool,
610  ({
611  vec_add1 (captures, *c);
612  }));
613  /* *INDENT-ON* */
614 
616 
617  vlib_cli_output (vm, "%U", format_capture, pm, 0 /* header */ ,
618  0 /* verbose */ );
619 
620  for (i = 0; i < vec_len (captures); i++)
621  {
622  c = captures + i;
623 
624  vlib_cli_output (vm, "%U", format_capture, pm, c, verbose);
625  }
626 
627  vec_free (captures);
628 
629  return 0;
630 }
631 
632 /* *INDENT-OFF* */
633 VLIB_CLI_COMMAND (show_pmc_command, static) =
634 {
635  .path = "show pmc",
636  .short_help = "show pmc [verbose]",
637  .function = show_pmc_command_fn,
638  .is_mp_safe = 1,
639 };
640 /* *INDENT-ON* */
641 
642 static clib_error_t *
644  unformat_input_t * input, vlib_cli_command_t * cmd)
645 {
647  u8 *key;
648  u32 *value;
649 
650  if (pm->state == PERFMON_STATE_RUNNING)
651  {
652  vlib_cli_output (vm, "Performance monitor is still running...");
653  return 0;
654  }
655 
656  pool_free (pm->capture_pool);
657 
658  /* *INDENT-OFF* */
660  ({
661  vec_free (key);
662  }));
663  /* *INDENT-ON* */
666  hash_create_string (0, sizeof (uword));
667  return 0;
668 }
669 
670 /* *INDENT-OFF* */
671 VLIB_CLI_COMMAND (clear_pmc_command, static) =
672 {
673  .path = "clear pmc",
674  .short_help = "clear the performance monitor counters",
675  .function = clear_pmc_command_fn,
676 };
677 /* *INDENT-ON* */
678 
679 
680 /*
681  * fd.io coding-style-patch-verification: ON
682  *
683  * Local Variables:
684  * eval: (c-set-style "gnu")
685  * End:
686  */
vlib_log_class_t vlib_log_register_class(char *class, char *subclass)
Definition: log.c:227
perfmon_capture_t * capture_pool
Definition: perfmon.h:93
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:439
volatile u8 state
Definition: perfmon.h:90
f64 timeout_interval
Definition: perfmon.h:108
static clib_error_t * set_pmc_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: perfmon.c:294
u64 * vectors_this_counter
Definition: perfmon.h:69
static int capture_name_sort(void *a1, void *a2)
Definition: perfmon.c:400
perfmon_event_config_t * events_to_collect
Definition: perfmon.h:101
u8 * name
Definition: perfmon.c:505
vnet_main_t * vnet_get_main(void)
Definition: misc.c:47
vlib_node_registration_t perfmon_periodic_node
(constructor) VLIB_REGISTER_NODE (perfmon_periodic_node)
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:525
u32 mispredict_event_index
Definition: perfmon.h:105
int i
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:983
#define hash_get_pair_mem(h, key)
Definition: hash.h:272
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:419
vlib_main_t * vlib_main
Definition: perfmon.h:124
u32 * rdpmc_indices
Definition: perfmon.h:112
vlib_main_t ** vlib_mains
Definition: buffer.c:310
unsigned char u8
Definition: types.h:56
#define vec_reset_length(v)
Reset vector length to zero NULL-pointer tolerant.
double f64
Definition: types.h:142
uword value[0]
Definition: hash.h:165
uword * perfmon_table
Definition: perfmon.h:98
static uword vlib_process_suspend(vlib_main_t *vm, f64 dt)
Suspend a vlib cooperative multi-tasking thread for a period of time.
Definition: node_funcs.h:452
#define pool_foreach(VAR, POOL, BODY)
Iterate through pool.
Definition: pool.h:490
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:163
#define clib_error_return(e, args...)
Definition: error.h:99
static clib_error_t * show_pmc_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: perfmon.c:563
u8 * thread_and_node_name
Definition: perfmon.h:66
static uword unformat_processor_event(unformat_input_t *input, va_list *args)
Definition: perfmon.c:238
unsigned int u32
Definition: types.h:88
static void set_perfmon_json_path()
Definition: perfmon.c:98
#define hash_create_string(elts, value_bytes)
Definition: hash.h:690
unformat_function_t unformat_line_input
Definition: format.h:282
vnet_main_t * vnet_main
Definition: perfmon.h:125
static void vlib_process_signal_event(vlib_main_t *vm, uword node_index, uword type_opaque, uword data)
Definition: node_funcs.h:964
u8 ** counter_names
Definition: perfmon.h:67
struct _unformat_input_t unformat_input_t
#define hash_free(h)
Definition: hash.h:310
static u8 * format_capture(u8 *s, va_list *args)
Definition: perfmon.c:410
name_value_pair_t ** nvps
Definition: perfmon.c:506
static char * perfmon_json_path
Definition: perfmon.c:29
#define hash_foreach_mem(key_var, value_var, h, body)
Definition: hash.h:461
u8 name[64]
Definition: memclnt.api:152
vlib_log_class_t log_class
Definition: perfmon.h:121
#define pool_free(p)
Free a pool.
Definition: pool.h:404
#define UNFORMAT_END_OF_INPUT
Definition: format.h:144
svmdb_client_t * c
static u32 get_cpuid(void)
Definition: perfmon.c:128
static clib_error_t * clear_pmc_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: perfmon.c:643
vlib_main_t * vm
Definition: buffer.c:301
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:341
static int sort_nvps_by_name(void *a1, void *a2)
Definition: perfmon.c:510
#define clib_warning(format, args...)
Definition: error.h:59
int * pm_fds
Definition: perfmon.h:118
#define ARRAY_LEN(x)
Definition: clib.h:62
u8 ** perf_event_pages
Definition: perfmon.h:114
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:155
#define ASSERT(truth)
static uword hash_elts(void *v)
Definition: hash.h:118
uword * perfmon_parse_table(perfmon_main_t *pm, char *path, char *table_name)
Definition: parse_util.c:46
VLIB_PLUGIN_REGISTER()
static u8 * format_processor_events(u8 *s, va_list *args)
Definition: perfmon.c:519
u32 ipc_event_index
Definition: perfmon.h:104
static clib_error_t * perfmon_init(vlib_main_t *vm)
Definition: perfmon.c:141
perfmon_main_t perfmon_main
Definition: perfmon.c:27
#define foreach_perfmon_event
Definition: perfmon.h:30
uword * capture_by_thread_and_node_name
Definition: perfmon.h:94
static u8 * format_generic_events(u8 *s, va_list *args)
Definition: perfmon.c:489
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
u64 * counter_values
Definition: perfmon.h:68
u64 uword
Definition: types.h:112
#define vec_sort_with_function(vec, f)
Sort a vector using the supplied element comparison function.
Definition: vec.h:984
static uword atox(u8 *s)
Definition: perfmon.c:216
u8 * format_unformat_error(u8 *s, va_list *va)
Definition: unformat.c:91
#define vlib_log_err(...)
Definition: log.h:50
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:725
uword key
Definition: hash.h:162
#define PERFMON_START
Definition: perfmon.h:135
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:972
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:170
static uword pool_elts(void *v)
Number of active elements in a pool.
Definition: pool.h:128