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 e2a4c5e0dbe5b078a4a54b38a65007d00b06c94a..deafd16692b6b0064d05703486af25089734bf63 100644 (file)
--- 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
                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
 
                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:
 
        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.
 
        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
 
 
        --itrace=i0nss1000000
 

diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index 0daf63b9ee3e1482cdc5fc5e96a968c4117e3a0c..baad91ed1e054168989ede749d476fd39af22ff1 100644 (file)
--- 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->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;
        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 'x':
                        synth_opts->transactions = true;
                        break;

+               case 'w':
+                       synth_opts->ptwrites = true;
+                       break;

                case 'e':
                        synth_opts->errors = true;
                        break;
                case 'e':
                        synth_opts->errors = true;
                        break;

diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 9f0de72d58e26f07c479e53965cc106c365b3b70..b48afb2f18f35833467f689c1701de9ba271c4ee 100644 (file)
--- 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
  * @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
  * @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                    instructions;
        bool                    branches;
        bool                    transactions;

+       bool                    ptwrites;

        bool                    errors;
        bool                    dont_decode;
        bool                    log;
        bool                    errors;
        bool                    dont_decode;
        bool                    log;