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| author | Sam Liao <phyomh@gmail.com> | 2011-06-07 15:49:46 (GMT) |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2011-06-29 22:24:30 (GMT) |
| commit | d797fdc5c5c245fbb05f553e68cb95d962fbdd01 (patch) | |
| tree | aa28d98f61df71a2fba55e2b4b526c77aec8de0a /tools/perf/util/session.c | |
| parent | af07ce3e77d3b24ab1d71fcc5833d41800f23b2b (diff) | |
| download | linux-fsl-qoriq-d797fdc5c5c245fbb05f553e68cb95d962fbdd01.tar.xz | |
perf tools: Add inverted call graph report support.
Add "caller/callee" option to support inverted butterfly report,
in the inverted report (with caller option), the call graph start
from the callee's ancestor. Users can use such view to catch system's
performance bottleneck from a sysprof like view. Using this option
with specified sort order like pid gives us high level view of call
graph statistics.
Also add "-G" alias for inverted call graph.
Signed-off-by: Sam Liao <phyomh@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index b723f21..558bcf9 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -247,9 +247,14 @@ int perf_session__resolve_callchain(struct perf_session *self, callchain_cursor_reset(&self->callchain_cursor); for (i = 0; i < chain->nr; i++) { - u64 ip = chain->ips[i]; + u64 ip; struct addr_location al; + if (callchain_param.order == ORDER_CALLEE) + ip = chain->ips[i]; + else + ip = chain->ips[chain->nr - i - 1]; + if (ip >= PERF_CONTEXT_MAX) { switch (ip) { case PERF_CONTEXT_HV: |