perf auxtrace: Add itrace option to output ptwrite events
Add itrace option to output ptwrite events.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-24-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 e2a4c5e..deafd16 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -3,13 +3,14 @@
c synthesize branches events (calls only)
r synthesize branches events (returns only)
x synthesize transactions events
+ w synthesize ptwrite 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=ibxe
+ The default is all events i.e. the same as --itrace=ibxwe
In addition, the period (default 100000) for instructions events
can be specified in units of:
@@ -26,8 +27,8 @@
Also the number of last branch entries (default 64, max. 1024) for
instructions or transactions events can be specified.
- It is also possible to skip events generated (instructions, branches, transactions)
- at the beginning. This is useful to ignore initialization code.
+ It is also possible to skip events generated (instructions, branches, transactions,
+ ptwrite) 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 0daf63b..baad91e 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -947,6 +947,7 @@ void itrace_synth_opts__set_default(struct itrace_synth_opts *synth_opts)
synth_opts->instructions = true;
synth_opts->branches = true;
synth_opts->transactions = true;
+ synth_opts->ptwrites = true;
synth_opts->errors = true;
synth_opts->period_type = PERF_ITRACE_DEFAULT_PERIOD_TYPE;
synth_opts->period = PERF_ITRACE_DEFAULT_PERIOD;
@@ -1030,6 +1031,9 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
case 'x':
synth_opts->transactions = true;
break;
+ case 'w':
+ synth_opts->ptwrites = true;
+ break;
case 'e':
synth_opts->errors = true;
break;
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 9f0de72..b48afb2 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -59,6 +59,7 @@ enum itrace_period_type {
* @instructions: whether to synthesize 'instructions' events
* @branches: whether to synthesize 'branches' events
* @transactions: whether to synthesize events for transactions
+ * @ptwrites: whether to synthesize events for ptwrites
* @errors: whether to synthesize decoder error events
* @dont_decode: whether to skip decoding entirely
* @log: write a decoding log
@@ -79,6 +80,7 @@ struct itrace_synth_opts {
bool instructions;
bool branches;
bool transactions;
+ bool ptwrites;
bool errors;
bool dont_decode;
bool log;