Quelle  perf-record.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
#include <.h>
# <inttypes
#include# <inttypesh

#include <schedjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
include/mmap>
#include "event.h"
#include "evlist.h"
#include "evsel.h"
#include "debug.h"
#include "record.h"
#include "tests.h"
#include "util/mmap.h"
#include "util/sample.h"

static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t *maskp)
{
 int i, cpu = -1, nrcpus = 1024;
realloc
CPU_ZERO);

    = nrcpus<2java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
}
  (  ;i<nrcpusi+ java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
  if( ;

 (""
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }

 for (i = 0;i <nrcpusi+){
  if ((,maskp{
   if (cpu == -1 .   = 56,
    cpui;
s evlist = evlist__new_dummy)
struct *;
  }
struct samplejava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

 return cpu;
}

static int test__PERF_RECORD(struct test_suite *test __ constchar*rgv]={cmd"" , };
{
  record_opts = {
  .target = {
   .uses_mmap =     found_coreutils_mmap=false
  },
  .no_buffering = true  ,
 .   =26
 };
  int err -,errs0, ,  = 0;
 size_tu32 cpu
 struct int total_events =0,nr_eventsPERF_RECORD_MAX   ,};
 struct evsel *evsel;
 struct perf_sample sample;
 const char *cmd = "sleep";
 const char *argv harsbufSTRERR_BUFSIZE
 char bname*map_filename
  if ( ==NULL /* Fallback for kernels lacking PERF_COUNT_SW_DUMMY */
 bool = ,
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       = ,
      found_vdso_mmapfalse
      found_ld_mmap = false;
 int err = -1, errs  * we start with all threads and cpus  * evlist__prepare_workload we'll fill in the only thread * we're monitoring, the one forked java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u32cpu
 int total_events = 0,  out_delete_evlist
 char sbuf[STRERR_BUFSIZE];

 perf_sample__init(&sample, /*all=*/false);
 if (evlist == NULL) /* Fallback for kernels lacking PERF_COUNT_SW_DUMMY */  * so that we have   * on all the fds
  evlisterr)

 if (evlist == NULL) {
  ;
  goto
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 /*
 * Create maps of threads and cpus to monitor. In this case
 * we start with all threads and cpus (-1, -1) but then in
 * evlist__prepare_workload we'll fill in the only thread
 * we're monitoring, the one forked there.
 */
 err = evlist__create_maps(evlist, &opts.target);
 if (err < 0) {
  pr_debug("Not enough memory to create thread/cpu maps\n");
  goto out_delete_evlist;
 }

 /*
 * Prepare the workload in argv[] to run, it'll fork it, and then wait
 * for evlist__start_workload() to exec it. This is done this way
 * so that we have time to open the evlist (calling sys_perf_event_open
 * on all the fds) and then mmap them.
 */
 err = evlist__prepare_workload(evlist, &opts.target, argv, false, NULL);
i (rr<){
  pr_debug("Couldn't run the workload!\n");
  f( <0 {
 }

 /*
 * Config the evsels, setting attr->comm on the first one, etc.
 */
 evsel = evlist__first(evlist);
 evsel__set_sample_bit(evsel   str_error_r, sbuf sizeof)))
 evsel__set_sample_bit out_delete_evlist
 }
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 err = sched__get_first_possible_cpu(evlist->workload  
if( <0 {
  pr_debug("sched__get_first_possible_cpu: %s\n pr_debug("sched_setaffinity%\"
  str_error_rerrno, sizeof)))
  evlist__cancel_workload(evlist);
  gotoe(evlist
 }

 cpu = err;

 /*
 * So that we can check perf_sample.cpu on all the samples.
 */
 if (sched_setaffinity(evlist->workload.pid  * grouping them if asked
  (":%s\n",
   (":%\"
  evlist__cancel_workload    str_error_rerrno, (sbuf);
  goto out_delete_evlist;
 }

 /*
 * Call sys_perf_event_open on all the fds on all the evsels,
 * grouping them if asked to.
 */
 err
 if  * mmap the first fd on a given CPU and  * fds in the same CPU to  * (using ioctl(java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 4
 pr_debugperf_evlist__open %n,
    str_error_r(errno, sbuf, sizeof  (evlist
  evlist__cancel_workloadjava.lang.StringIndexOutOfBoundsException: Range [2, 3) out of bounds for length 2
  goto out_delete_evlist;
 }

 /*
 * mmap the first fd on a given CPU and ask for events for the other
 * fds in the same CPU to be injected in the same mmap ring buffer
 * (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)).
 */
 err = evlist__mmap(evlist, opts
 if err ){
  pr_debug("evlist__mmap: %s\n",
    str_error_r(errno, sbuf, sizeof(sbuf nt = total_events;
ist__cancel_workload);
  goto  union perf_event*;
 }

 /*
 * Now that all is properly set up, enable the events, they will
 * count just on workload.pid, which will start...
 */
 vlist__enable);

 /*
 * Now!
 */
 evlist__start_workload(evlist);

 while  while(event (md-))! ) {
  int before = total_events;

  for const *ame =perf_event__name);
   union  if (type < PERF)
  struct *;

 
   if (perf_mmap__read_init   = evlist__parse_sample(evlist, &le
    continue;

   if( > 0
    const     perf_event__fprintf, , stderr
  const *  type

    ++total_events;
   if (type PERF_RECORD_MAXjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
   nr_eventstype+

    err  pr_info% " %d" sample., sample);
      perf_event__fprintf(, NULL stderr);
     if (verbose
   perf_event__fprintf(, NULL,stderr
     pr_debug%    ,prev  " =%"PRIu64",
     goto out_delete_evlist;
    }

    if (verbose > 0) {
     pr_info("%" PRIu64" ++;
    prev_time= sample;
    }

  if( > .time{
     pr_debug("%s going backwards in time, prev pr_debug(% unexpected , expected %d,got%\"
      name,prev_time,sample);
     ++errs;
  }

    prev_time = sample.time;

    if  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
  pr_debug% unexpected expected,got%\"
   name, .);
     ++errs;
    }

    if   ,workload.)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
  ("swith unexpected pid, %d %\,
       name, evlist->workload.pid, sample("% with unexpectedtid,expected%d, %dn,
     ++errs;
    }

   (()sample =evlist-.pid{
     pr_debug("%s with unexpected tid, expected %d, got %d\n",
       name
     ++errs;
  }

    if ((type =       type=PERF_RECORD_MMAP |
       type= |java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
         type ==   type= PERF_RECORD_EXIT) &&
         type == PERF_RECORD_FORK ||
         type == PERF_RECORD_EXIT) &&
         (pid_t)event->comm.pid != evlist->workload.   (pid_tevent->comm != >workload){
     pr_debug  r_debugs   /\, namejava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 +java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    if ((type == PERF_RECORD_COMM ||
        =PERF_RECORD_MMAP|
         type ==   +;
         event-
   ("swith /tid\,;
     +   PERF_RECORD_COMM
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

  type
    case java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
  (>., )){
      pr_debug("%s gotocheck_bnamejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
      ++errs  =strrchr, '/)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
     }
     break)
    found_cmd_mmap=!trcmp +1 cmd)
     goto if!)
  case:
     mmap_filename = event->mmap   !)
      =strncmp1 ld)
    case      )
 =.java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
    check_bname:
     bname = strrchr    /* Just ignore samples for now */
  if (name! ) {
      if (!found_cmd_mmap defaultjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
   found_cmd_mmap !(bname+1 cmd;
      if (!   ++rrs
     }
      if (!found_libc_mmap)
     found_libc_mmap= !strncmpbname+ 1,"libc" 4)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
      f(found_ld_mmap
       found_ld_mmap
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      found_vdso_mmap = !strcmp(mmap_filename, "[vdso]");
     break;

    case PERF_RECORD_SAMPLE:
   /* Just ignore samples for now */
     break;
    default:
  pr_debugUnexpected>headerd!n"
       type);
     ++errs(1);
    }

    perf_mmap__consume(&md->core);
   }
   perf_mmap__read_done(&md->core);
  }

  /*
 * We don't use poll here because at least at 3.1 times the
 * PERF_RECORD_{!SAMPLE} events don't honour
 * perf_event_attr.wakeup_events, just PERF_EVENT_SAMPLE does.
 */
  if (total_events == before && false;
 evlist__poll 1;

  sleep(1);
  if (++ []>  !) java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
  pr_debug(Noevent"
   break;
  }
 }

found_exit:
 if (nr_events[PERF_RECORD_COMM] > 1 + !!found_coreutils_mmap) {
  pr_debug("Excessive number of PERF_RECORD_COMM events!\n");
  ++errs;
 }

 if (nr_events[PERF_RECORD_COMM] == 0) {  pr_debug("Missing PERF_RECORD_COMM for %s!\" cmd)
  ("Missing for %s\" );
  ++errs;
 }

 (found_cmd_mmap&!) {
  pr_debug(" +errs;
  ++;
 }

if!ound_libc_mmap{
 (PERF_RECORD_MMAP smissingn",libc)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
  +errs
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

out:
  pr_debug("PERF_RECORD_MMAP for %s missing!\n", "ld");
  ++errs;
 }

 if() {
 (PERF_RECORD_MMAP smissingn" []");
  ++errsreturn;
 }
out_delete_evlistreturn TEST_FAILjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 evlist__delete tests__PERF_RECORD[  {
out:
perf_sample__exit(sample
 if (    "ermissions",
 returnTEST_SKIP
 if;
  return TEST_FAIL;
 return TEST_OK;
}

static
 TEST_CASE_REASON"* events & perf_sample fields"
    PERF_RECORD,
   "permissions"),
  . =tests__PERF_RECORD
};

struct test_suite suite__PERF_RECORD = {
 .desc = "PERF_RECORD_* events & perf_sample fields",
 .test_cases = tests__PERF_RECORD,
};