diff options
| author |   Benoît Ganne <bganne@cisco.com> | 2019-12-16 15:26:49 +0100 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-12-17 17:53:07 +0000 |
| commit | 7176b800fa5570a14d9d403183131f5115158baf (patch) | |
| tree | 89cd45e23a73165a95690f9ab241d27f85b7d0df /src/plugins/perfmon/perfmon_periodic.c | |
| parent | e11dce20c99775884877ad6dcf879e8995c78ebf (diff) | |
perfmon: fix per-worker data initialization
When perfmon_init is called at initialization time worker threads are
not created yet and vec_len(vlib_mains) returns 1.
Initialize per-worker data when the number of workers is known, when
enabling data collection instead.
Type: fix
Change-Id: I36887cc7b2a3e88d9728d3cd7262d9b1c968dd3c
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/plugins/perfmon/perfmon_periodic.c')
| -rw-r--r-- | src/plugins/perfmon/perfmon_periodic.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/plugins/perfmon/perfmon_periodic.c b/src/plugins/perfmon/perfmon_periodic.c index ac68c42c219..8498419f36f 100644 --- a/src/plugins/perfmon/perfmon_periodic.c +++ b/src/plugins/perfmon/perfmon_periodic.c @@ -130,6 +130,10 @@ enable_current_events (perfmon_main_t * pm) for (i = 0; i < limit; i++) { + vec_validate (pm->pm_fds[i], vec_len (vlib_mains) - 1); + vec_validate (pm->perf_event_pages[i], vec_len (vlib_mains) - 1); + vec_validate (pm->rdpmc_indices[i], vec_len (vlib_mains) - 1); + c = vec_elt_at_index (pm->single_events_to_collect, pm->current_event + i); @@ -169,6 +173,7 @@ enable_current_events (perfmon_main_t * pm) close (fd); return; } + CLIB_MEM_UNPOISON (p, pm->page_size); } else p = 0; @@ -239,12 +244,18 @@ disable_events (perfmon_main_t * pm) clib_unix_warning ("disable ioctl"); if (pm->perf_event_pages[i][my_thread_index]) - if (munmap (pm->perf_event_pages[i][my_thread_index], - pm->page_size) < 0) - clib_unix_warning ("munmap"); + { + if (munmap (pm->perf_event_pages[i][my_thread_index], + pm->page_size) < 0) + clib_unix_warning ("munmap"); + CLIB_MEM_POISON (pm->perf_event_pages[i][my_thread_index], + pm->page_size); + pm->perf_event_pages[i][my_thread_index] = 0; + } (void) close (pm->pm_fds[i][my_thread_index]); pm->pm_fds[i][my_thread_index] = 0; + } } |