perf auxtrace: Add itrace option to output power events

Add itrace option to output power events.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-25-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index deafd16..a3abe04 100644 (file)
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -4,13 +4,14 @@
                r       synthesize branches events (returns only)
                x       synthesize transactions events
                w       synthesize ptwrite events
+               p       synthesize power events
                e       synthesize error events
                d       create a debug log
                g       synthesize a call chain (use with i or x)
                l       synthesize last branch entries (use with i or x)
                s       skip initial number of events
 
-       The default is all events i.e. the same as --itrace=ibxwe
+       The default is all events i.e. the same as --itrace=ibxwpe
 
        In addition, the period (default 100000) for instructions events
        can be specified in units of:
@@ -28,7 +29,7 @@
        instructions or transactions events can be specified.
 
        It is also possible to skip events generated (instructions, branches, transactions,
-       ptwrite) at the beginning. This is useful to ignore initialization code.
+       ptwrite, power) at the beginning. This is useful to ignore initialization code.
 
        --itrace=i0nss1000000
 

diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index baad91e..651c01d 100644 (file)
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -948,6 +948,7 @@ void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts)
        synth_opts->branches = true;
        synth_opts->transactions = true;
        synth_opts->ptwrites = true;
+       synth_opts->pwr_events = true;
        synth_opts->errors = true;
        synth_opts->period_type = PERF_ITRACE_DEFAULT_PERIOD_TYPE;
        synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD;
@@ -1034,6 +1035,9 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
                case 'w':
                        synth_opts->ptwrites = true;
                        break;
+               case 'p':
+                       synth_opts->pwr_events = true;
+                       break;
                case 'e':
                        synth_opts->errors = true;
                        break;

diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index b48afb2..68e0aa4 100644 (file)
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -60,6 +60,7 @@ enum itrace_period_type {
  * @branches: whether to synthesize 'branches' events
  * @transactions: whether to synthesize events for transactions
  * @ptwrites: whether to synthesize events for ptwrites
+ * @pwr_events: whether to synthesize power events
  * @errors: whether to synthesize decoder error events
  * @dont_decode: whether to skip decoding entirely
  * @log: write a decoding log
@@ -81,6 +82,7 @@ struct itrace_synth_opts {
        bool                    branches;
        bool                    transactions;
        bool                    ptwrites;
+       bool                    pwr_events;
        bool                    errors;
        bool                    dont_decode;
        bool                    log;