diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/perf_counter/builtin-report.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c index a8d3905..0f88d9e 100644 --- a/Documentation/perf_counter/builtin-report.c +++ b/Documentation/perf_counter/builtin-report.c @@ -728,6 +728,8 @@ more: event->ip.pid, (void *)(long)ip); + dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid); + if (thread == NULL) { fprintf(stderr, "problem processing %d event, skipping it.\n", event->header.type); @@ -740,6 +742,8 @@ more: dso = kernel_dso; + dprintf(" ...... dso: %s\n", dso->name); + } else if (event->header.misc & PERF_EVENT_MISC_USER) { show = SHOW_USER; @@ -749,11 +753,22 @@ more: if (map != NULL) { dso = map->dso; ip -= map->start + map->pgoff; + } else { + /* + * If this is outside of all known maps, + * and is a negative address, try to look it + * up in the kernel dso, as it might be a + * vsyscall (which executes in user-mode): + */ + if ((long long)ip < 0) + dso = kernel_dso; } + dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); } else { show = SHOW_HV; level = 'H'; + dprintf(" ...... dso: [hypervisor]\n"); } if (show & show_mask) { |
