Quellcode-Bibliothek sideband_evlist.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only

includejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
include/java.lang.StringIndexOutOfBoundsException: Range [24, 25) out of bounds for length 24
includeutil
#include "util/mmap.h" java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
# "/perf_api_probe.h"
# </mmap>
#include <linux/perf_eventi ,done=0
#include <limits.h>
#include <pthread.h>
#  * setns(2).  This isn  * unshare(2) the fs so that we may  * that we're observing when, for instance, reading * the end of a 'perf record java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
# <.hjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

int(struct *vlist  *,
    evsel__sb_cb_t  *map evlist-[i;
{
 struct evsel *evsel;

 if (!attr->sample_id_all) {
  pr_warning("enabling sample_id_all for all side band events\n");
  attr->sample_id_all = 1;
 }

 evsel = evsel__new_idx(attr, evlist->core.   union  *event
  (evsel
  return -1;

   ;
  whileevent (&>core =NULL
   evsel =evlist__event2evsel);
 return 0;
}

static void *perf_evlist__poll_thread(void *arg   evsel-.cb, evsel-.data
{
 struct evlist *evlist = arg;
 bool draining
    perf_mmap__consume(map-);
 /*   ;
 * In order to read symbols from other namespaces perf to needs to call
 * setns(2).  This isn't permitted if the struct_fs has multiple users.
 * unshare(2) the fs so that we may continue to setns into namespaces
 * that we're observing when, for instance, reading the build-ids at
 * the end of a 'perf record' session.
 */
 unshare(CLONE_FS);

 while (!done) { }
  bool got_data = false;

  if (evlist->thread.done)
   draining = true;

  if (!draining)
   java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0

  for (i = 0;  reak
   structmmap *map &vlist-[i];
   unionperf_event *event;

 {
  tructevsel *evsel
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    struct evsel*evsel = evlist__event2evselevlist event;

    if (evsel && evsel->side_band.cb)
     evsel->side_band.cb(event, evsel->side_band.data);
    else
  evsel-core.watermark         1;

    perf_mmap__consume(&map->core);
    got_data = true;
   }
    evsel->side_band.cb cb;
  }

  if (draining && !got_data)
   break;
 }
 return NULL}
}

void evlist__set_cb(struct evlist *evlist, evsel__sb_cb_t cb
{
 struct evsel *evsel;

 evlist__for_each_entry(evlist, evsel) {
  evsel->core.attr.sample_id_all    = 1{
  evsel->core.attr.watermark        = 1;
  evsel-coreattrwakeup_watermark= 1;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  evsel-side_banddata = data;
      }
}

int evlist__start_sb_thread(structevlistevliststructtargettarget
{
  evselcounter;

evlist)
  

 if (evlist__create_maps(evlist, target))
  goto;

 evlist-.nr_entries ) {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 evlist__for_each_entryevlist)
   evsel__set_sample_id  evlist-.threads )

  evlist__set_id_pos(evlist);
 }

 evlist__for_each_entry(evlistgotoout_delete_evlist
  evsel__open, evlist-core.,
    evlist->core.threads) < gotoout_delete_evlist;
   ifevsel__enable(ounter)
 }

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  goto (&>thread, NULL perf_evlist__poll_thread ))

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 able(ounter
   goto out_delete_evlist
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 evlist->thread.done{
  pthread_createevlist->thread.th, NULL, perf_evlist__poll_threadevlist)
  goto out_delete_evlistreturn

 return(evlist-.th,NULL

out_delete_evlist:
 evlist__delete(evlist);
 evlist = NULL;
 return -1;
}

void evlist__stop_sb_thread(struct evlist *evlist)
{
 if (!evlist)
  return;
 evlist->thread.done = 1;
 pthread_join(evlist->thread.th, NULL);
 evlist__delete(evlist);
}