From: Andi Kleen <andi@firstfloor.org>
To: acme@kernel.org
Cc: jolsa@kernel.org, adrian.hunter@intel.com,
linux-kernel@vger.kernel.org, kim.phillips@arm.com,
Andi Kleen <ak@linux.intel.com>
Subject: [PATCH v5 7/9] tools, perf, script: Add --call-trace and --call-ret-trace
Date: Tue, 18 Sep 2018 05:32:12 -0700 [thread overview]
Message-ID: <20180918123214.26728-8-andi@firstfloor.org> (raw)
In-Reply-To: <20180918123214.26728-1-andi@firstfloor.org>
From: Andi Kleen <ak@linux.intel.com>
Add short cut options to print PT call trace and call-ret-trace,
for calls and call and returns. Roughly corresponds to ftrace
function tracer and function graph tracer.
Just makes these common use cases nicer to use.
% perf record -a -e intel_pt// sleep 1
% perf script --call-trace
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_pmu_enable
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) event_filter_match
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) group_sched_in
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) event_sched_in.isra.107
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_set_state.part.71
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_update_time
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_pmu_disable
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_log_itrace_start
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) __x86_indirect_thunk_rax
perf 900 [000] 194167.205652203: ([kernel.kallsyms]) perf_event_update_userpage
% perf script --call-ret-trace
perf 900 [000] 194167.205652203: tr strt ([unknown]) pt_config
perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) pt_config
perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) pt_event_add
perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) perf_pmu_enable
perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) perf_pmu_nop_void
perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) event_sched_in.isra.107
perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) __x86_indirect_thunk_rax
perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) perf_pmu_nop_int
perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) group_sched_in
perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) event_filter_match
perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) event_filter_match
perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) group_sched_in
perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) __x86_indirect_thunk_rax
perf 900 [000] 194167.205652203: return ([kernel.kallsyms]) perf_pmu_nop_txn
perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) event_sched_in.isra.107
perf 900 [000] 194167.205652203: call ([kernel.kallsyms]) perf_event_set_state.part.71
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
v2: Print errors, power, ptwrite too
---
tools/perf/Documentation/perf-script.txt | 7 +++++++
tools/perf/builtin-script.c | 24 ++++++++++++++++++++++++
2 files changed, 31 insertions(+)
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 00c655ab4968..805baabd238e 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -390,6 +390,13 @@ include::itrace.txt[]
--xed::
Run xed disassembler on output. Requires installing the xed disassembler.
+--call-trace::
+ Show call stream for intel_pt traces. The CPUs are interleaved, but
+ can be filtered with -C.
+
+--call-ret-trace::
+ Show call and return stream for intel_pt traces.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script-perl[1],
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index d3a463766e2d..7e531f6b1d7a 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -3103,6 +3103,26 @@ static int parse_xed(const struct option *opt __maybe_unused,
return 0;
}
+static int parse_call_trace(const struct option *opt __maybe_unused,
+ const char *str __maybe_unused,
+ int unset __maybe_unused)
+{
+ parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
+ itrace_parse_synth_opts(opt, "cewp", 0);
+ nanosecs = true;
+ return 0;
+}
+
+static int parse_callret_trace(const struct option *opt __maybe_unused,
+ const char *str __maybe_unused,
+ int unset __maybe_unused)
+{
+ parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
+ itrace_parse_synth_opts(opt, "crewp", 0);
+ nanosecs = true;
+ return 0;
+}
+
int cmd_script(int argc, const char **argv)
{
bool show_full_info = false;
@@ -3194,6 +3214,10 @@ int cmd_script(int argc, const char **argv)
"Decode instructions from itrace", parse_insn_trace),
OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
"Run xed disassembler on output", parse_xed),
+ OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
+ "Decode calls from from itrace", parse_call_trace),
+ OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
+ "Decode calls and returns from itrace", parse_callret_trace),
OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
"Stop display of callgraph at these symbols"),
OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
--
2.17.1
next prev parent reply other threads:[~2018-09-18 12:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-18 12:32 Make perf script easier to use for itrace Andi Kleen
2018-09-18 12:32 ` [PATCH v5 1/9] perf tools: Report itrace options in help Andi Kleen
2018-09-19 18:13 ` Arnaldo Carvalho de Melo
2018-09-18 12:32 ` [PATCH v5 2/9] tools, pager: Support overwriting the pager Andi Kleen
2018-09-19 18:17 ` Arnaldo Carvalho de Melo
2018-09-26 8:44 ` [tip:perf/core] tools lib subcmd: " tip-bot for Andi Kleen
2018-09-18 12:32 ` [PATCH v5 3/9] tools, perf, script: Add --insn-trace for instruction decoding Andi Kleen
2018-09-18 12:32 ` [PATCH v5 4/9] perf, tools, script: Allow sym and dso without ip, addr Andi Kleen
2018-09-19 18:24 ` Arnaldo Carvalho de Melo
2018-09-26 8:44 ` [tip:perf/core] perf " tip-bot for Andi Kleen
2018-09-18 12:32 ` [PATCH v5 5/9] perf, tools, script: Print DSO for callindent Andi Kleen
2018-09-19 18:26 ` Arnaldo Carvalho de Melo
2018-09-26 8:45 ` [tip:perf/core] perf " tip-bot for Andi Kleen
2018-09-18 12:32 ` [PATCH v5 6/9] perf, tools, script: Make itrace script default to all calls Andi Kleen
2018-09-18 13:24 ` Adrian Hunter
2018-09-19 18:28 ` Arnaldo Carvalho de Melo
2018-09-18 12:32 ` Andi Kleen [this message]
2018-09-18 12:32 ` [PATCH v5 8/9] tools, perf, script: Implement --graph-function Andi Kleen
2018-09-18 12:32 ` [PATCH v5 9/9] perf, tools, script: Support total cycles count Andi Kleen
2018-09-19 18:31 ` Arnaldo Carvalho de Melo
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