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perf tools: Add a thread stack for synthesizing call chains

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Add a thread stack for synthesizing call chains from call and return
events.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1414678188-14946-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2014-10-30 16:09:42 +02:00 • committed by Arnaldo Carvalho de Melo
parent 05b2537e8d
commit 00447ccdf3
6 changed files with 238 additions and 0 deletions
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26
tools/perf/util/event.h
View file

@ -143,6 +143,32 @@ struct branch_stack {
struct branch_entry entries[0];
};
enum {
PERF_IP_FLAG_BRANCH = 1ULL << 0,
PERF_IP_FLAG_CALL = 1ULL << 1,
PERF_IP_FLAG_RETURN = 1ULL << 2,
PERF_IP_FLAG_CONDITIONAL = 1ULL << 3,
PERF_IP_FLAG_SYSCALLRET = 1ULL << 4,
PERF_IP_FLAG_ASYNC = 1ULL << 5,
PERF_IP_FLAG_INTERRUPT = 1ULL << 6,
PERF_IP_FLAG_TX_ABORT = 1ULL << 7,
PERF_IP_FLAG_TRACE_BEGIN = 1ULL << 8,
PERF_IP_FLAG_TRACE_END = 1ULL << 9,
PERF_IP_FLAG_IN_TX = 1ULL << 10,
};
#define PERF_BRANCH_MASK (\
PERF_IP_FLAG_BRANCH |\
PERF_IP_FLAG_CALL |\
PERF_IP_FLAG_RETURN |\
PERF_IP_FLAG_CONDITIONAL |\
PERF_IP_FLAG_SYSCALLRET |\
PERF_IP_FLAG_ASYNC |\
PERF_IP_FLAG_INTERRUPT |\
PERF_IP_FLAG_TX_ABORT |\
PERF_IP_FLAG_TRACE_BEGIN |\
PERF_IP_FLAG_TRACE_END)
struct perf_sample {
u64 ip;
u32 pid, tid;