diff options
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 462be2749462..7e27f1eb260c 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -14,6 +14,7 @@ #include "util.h" #include "cpumap.h" #include "perf_regs.h" +#include "asm/bug.h" static int perf_session__open(struct perf_session *session) { @@ -500,10 +501,15 @@ int perf_session_queue_event(struct perf_session *s, union perf_event *event, return -ETIME; if (timestamp < oe->last_flush) { - printf("Warning: Timestamp below last timeslice flush\n"); + WARN_ONCE(1, "Timestamp below last timeslice flush\n"); + pr_oe_time(timestamp, "out of order event"); - pr_oe_time(oe->last_flush, "last flush"); - return -EINVAL; + pr_oe_time(oe->last_flush, "last flush, last_flush_type %d\n", + oe->last_flush_type); + + /* We could get out of order messages after forced flush. */ + if (oe->last_flush_type != OE_FLUSH__HALF) + return -EINVAL; } new = ordered_events__new(oe, timestamp); |