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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>
This commit is contained in:
Adrian Hunter 2017-05-26 11:17:24 +03:00 committed by Arnaldo Carvalho de Melo
parent 07fda552f1
commit 3bdafdffa9
3 changed files with 10 additions and 3 deletions
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7
tools/perf/Documentation/itrace.txt
View File

@ -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

4
tools/perf/util/auxtrace.c
View File

@ -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;

2
tools/perf/util/auxtrace.h
View File

@ -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;