diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2019-04-12 14:38:30 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-05-29 00:37:45 +0300 |
| commit | 14f1cfd4f7b4794e2f9d2ae214bcf049654b0b5c (patch) | |
| tree | 50daac162069c464a67b6509a2b92c88649b7210 /tools/perf/util/intel-pt.c | |
| parent | c7b4f15ff79b539fed4c382e52e988548081bc9d (diff) | |
| download | linux-14f1cfd4f7b4794e2f9d2ae214bcf049654b0b5c.tar.xz | |
perf intel-pt: Rationalize intel_pt_sync_switch()'s use of next_tid
Returning 1 from intel_pt_sync_switch() causes the current tid to be
set. That negates the need to keep next_tid anymore. Rationalize the
code to that effect.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190412113830.4126-9-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/intel-pt.c')
| -rw-r--r-- | tools/perf/util/intel-pt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 6aaba1146fc8..7a70693c1b91 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -1859,7 +1859,6 @@ static int intel_pt_sync_switch(struct intel_pt *pt, int cpu, pid_t tid, switch (ptq->switch_state) { case INTEL_PT_SS_NOT_TRACING: - ptq->next_tid = -1; break; case INTEL_PT_SS_UNKNOWN: case INTEL_PT_SS_TRACING: @@ -1879,13 +1878,14 @@ static int intel_pt_sync_switch(struct intel_pt *pt, int cpu, pid_t tid, ptq->switch_state = INTEL_PT_SS_TRACING; break; case INTEL_PT_SS_EXPECTING_SWITCH_IP: - ptq->next_tid = tid; intel_pt_log("ERROR: cpu %d expecting switch ip\n", cpu); break; default: break; } + ptq->next_tid = -1; + return 1; } |