linux-kernel - [tip:perf/core] perf auxtrace: Add perf time interval to itrace_synth

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Date:   Mon, 17 Jun 2019 12:38:14 -0700
From:   tip-bot for Adrian Hunter <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     jolsa@...hat.com, hpa@...or.com, tglx@...utronix.de,
        acme@...hat.com, linux-kernel@...r.kernel.org,
        adrian.hunter@...el.com, mingo@...nel.org, yao.jin@...ux.intel.com
Subject: [tip:perf/core] perf auxtrace: Add perf time interval to
 itrace_synth_ops

Commit-ID:  33526f362b019f0a17c6b522eb3b07017dba98a7
Gitweb:     https://git.kernel.org/tip/33526f362b019f0a17c6b522eb3b07017dba98a7
Author:     Adrian Hunter <adrian.hunter@...el.com>
AuthorDate: Tue, 4 Jun 2019 15:59:59 +0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 10 Jun 2019 16:20:11 -0300

perf auxtrace: Add perf time interval to itrace_synth_ops

Instruction trace decoders can optimize output based on what time
intervals will be filtered, so pass that information in
itrace_synth_ops.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: Jin Yao <yao.jin@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lkml.kernel.org/r/20190604130017.31207-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/auxtrace.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index c69bcd9a3091..c80c58eb7f4d 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -83,6 +83,8 @@ enum itrace_period_type {
  * @period_type: 'instructions' events period type
  * @initial_skip: skip N events at the beginning.
  * @cpu_bitmap: CPUs for which to synthesize events, or NULL for all
+ * @ptime_range: time intervals to trace or NULL
+ * @range_num: number of time intervals to trace
  */
 struct itrace_synth_opts {
 	bool			set;
@@ -107,6 +109,8 @@ struct itrace_synth_opts {
 	enum itrace_period_type	period_type;
 	unsigned long		initial_skip;
 	unsigned long		*cpu_bitmap;
+	struct perf_time_interval *ptime_range;
+	int			range_num;
 };
 
 /**
@@ -599,6 +603,21 @@ static inline void auxtrace__free(struct perf_session *session)
 "				PERIOD[ns|us|ms|i|t]:   specify period to sample stream\n" \
 "				concatenate multiple options. Default is ibxwpe or cewp\n"
 
+static inline
+void itrace_synth_opts__set_time_range(struct itrace_synth_opts *opts,
+				       struct perf_time_interval *ptime_range,
+				       int range_num)
+{
+	opts->ptime_range = ptime_range;
+	opts->range_num = range_num;
+}
+
+static inline
+void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts)
+{
+	opts->ptime_range = NULL;
+	opts->range_num = 0;
+}
 
 #else
 
@@ -742,6 +761,21 @@ void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
 
 #define ITRACE_HELP ""
 
+static inline
+void itrace_synth_opts__set_time_range(struct itrace_synth_opts *opts
+				       __maybe_unused,
+				       struct perf_time_interval *ptime_range
+				       __maybe_unused,
+				       int range_num __maybe_unused)
+{
+}
+
+static inline
+void itrace_synth_opts__clear_time_range(struct itrace_synth_opts *opts
+					 __maybe_unused)
+{
+}
+
 #endif
 
 #endif