From: tip-bot for Adrian Hunter <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: hpa@zytor.com, ak@linux.intel.com, tglx@linutronix.de,
adrian.hunter@intel.com, mingo@kernel.org,
linux-kernel@vger.kernel.org, acme@redhat.com
Subject: [tip:perf/core] perf intel-pt: Add example script for power events and PTWRITE
Date: Sat, 1 Jul 2017 01:55:19 -0700 [thread overview]
Message-ID: <tip-cc892720d85a31cc04f4c01c03d88a0eb3c437fa@git.kernel.org> (raw)
In-Reply-To: <1495786658-18063-35-git-send-email-adrian.hunter@intel.com>
Commit-ID: cc892720d85a31cc04f4c01c03d88a0eb3c437fa
Gitweb: http://git.kernel.org/tip/cc892720d85a31cc04f4c01c03d88a0eb3c437fa
Author: Adrian Hunter <adrian.hunter@intel.com>
AuthorDate: Fri, 26 May 2017 11:17:35 +0300
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 30 Jun 2017 11:50:53 -0300
perf intel-pt: Add example script for power events and PTWRITE
Add script intel-pt-events.py that provides an example of how to unpack the
raw data for power events and PTWRITE.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1495786658-18063-35-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
.../perf/scripts/python/bin/intel-pt-events-record | 13 +++
.../perf/scripts/python/bin/intel-pt-events-report | 3 +
tools/perf/scripts/python/intel-pt-events.py | 128 +++++++++++++++++++++
3 files changed, 144 insertions(+)
diff --git a/tools/perf/scripts/python/bin/intel-pt-events-record b/tools/perf/scripts/python/bin/intel-pt-events-record
new file mode 100644
index 0000000..10fe2b6
--- /dev/null
+++ b/tools/perf/scripts/python/bin/intel-pt-events-record
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+#
+# print Intel PT Power Events and PTWRITE. The intel_pt PMU event needs
+# to be specified with appropriate config terms.
+#
+if ! echo "$@" | grep -q intel_pt ; then
+ echo "Options must include the Intel PT event e.g. -e intel_pt/pwr_evt,ptw/"
+ echo "and for power events it probably needs to be system wide i.e. -a option"
+ echo "For example: -a -e intel_pt/pwr_evt,branch=0/ sleep 1"
+ exit 1
+fi
+perf record $@
diff --git a/tools/perf/scripts/python/bin/intel-pt-events-report b/tools/perf/scripts/python/bin/intel-pt-events-report
new file mode 100644
index 0000000..9a9c92f
--- /dev/null
+++ b/tools/perf/scripts/python/bin/intel-pt-events-report
@@ -0,0 +1,3 @@
+#!/bin/bash
+# description: print Intel PT Power Events and PTWRITE
+perf script $@ -s "$PERF_EXEC_PATH"/scripts/python/intel-pt-events.py
\ No newline at end of file
diff --git a/tools/perf/scripts/python/intel-pt-events.py b/tools/perf/scripts/python/intel-pt-events.py
new file mode 100644
index 0000000..b19172d
--- /dev/null
+++ b/tools/perf/scripts/python/intel-pt-events.py
@@ -0,0 +1,128 @@
+# intel-pt-events.py: Print Intel PT Power Events and PTWRITE
+# Copyright (c) 2017, Intel Corporation.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+# more details.
+
+import os
+import sys
+import struct
+
+sys.path.append(os.environ['PERF_EXEC_PATH'] + \
+ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace')
+
+# These perf imports are not used at present
+#from perf_trace_context import *
+#from Core import *
+
+def trace_begin():
+ print "Intel PT Power Events and PTWRITE"
+
+def trace_end():
+ print "End"
+
+def trace_unhandled(event_name, context, event_fields_dict):
+ print ' '.join(['%s=%s'%(k,str(v))for k,v in sorted(event_fields_dict.items())])
+
+def print_ptwrite(raw_buf):
+ data = struct.unpack_from("<IQ", raw_buf)
+ flags = data[0]
+ payload = data[1]
+ exact_ip = flags & 1
+ print "IP: %u payload: %#x" % (exact_ip, payload),
+
+def print_cbr(raw_buf):
+ data = struct.unpack_from("<BBBBII", raw_buf)
+ cbr = data[0]
+ f = (data[4] + 500) / 1000
+ p = ((cbr * 1000 / data[2]) + 5) / 10
+ print "%3u freq: %4u MHz (%3u%%)" % (cbr, f, p),
+
+def print_mwait(raw_buf):
+ data = struct.unpack_from("<IQ", raw_buf)
+ payload = data[1]
+ hints = payload & 0xff
+ extensions = (payload >> 32) & 0x3
+ print "hints: %#x extensions: %#x" % (hints, extensions),
+
+def print_pwre(raw_buf):
+ data = struct.unpack_from("<IQ", raw_buf)
+ payload = data[1]
+ hw = (payload >> 7) & 1
+ cstate = (payload >> 12) & 0xf
+ subcstate = (payload >> 8) & 0xf
+ print "hw: %u cstate: %u sub-cstate: %u" % (hw, cstate, subcstate),
+
+def print_exstop(raw_buf):
+ data = struct.unpack_from("<I", raw_buf)
+ flags = data[0]
+ exact_ip = flags & 1
+ print "IP: %u" % (exact_ip),
+
+def print_pwrx(raw_buf):
+ data = struct.unpack_from("<IQ", raw_buf)
+ payload = data[1]
+ deepest_cstate = payload & 0xf
+ last_cstate = (payload >> 4) & 0xf
+ wake_reason = (payload >> 8) & 0xf
+ print "deepest cstate: %u last cstate: %u wake reason: %#x" % (deepest_cstate, last_cstate, wake_reason),
+
+def print_common_start(comm, sample, name):
+ ts = sample["time"]
+ cpu = sample["cpu"]
+ pid = sample["pid"]
+ tid = sample["tid"]
+ print "%16s %5u/%-5u [%03u] %9u.%09u %7s:" % (comm, pid, tid, cpu, ts / 1000000000, ts %1000000000, name),
+
+def print_common_ip(sample, symbol, dso):
+ ip = sample["ip"]
+ print "%16x %s (%s)" % (ip, symbol, dso)
+
+def process_event(param_dict):
+ event_attr = param_dict["attr"]
+ sample = param_dict["sample"]
+ raw_buf = param_dict["raw_buf"]
+ comm = param_dict["comm"]
+ name = param_dict["ev_name"]
+
+ # Symbol and dso info are not always resolved
+ if (param_dict.has_key("dso")):
+ dso = param_dict["dso"]
+ else:
+ dso = "[unknown]"
+
+ if (param_dict.has_key("symbol")):
+ symbol = param_dict["symbol"]
+ else:
+ symbol = "[unknown]"
+
+ if name == "ptwrite":
+ print_common_start(comm, sample, name)
+ print_ptwrite(raw_buf)
+ print_common_ip(sample, symbol, dso)
+ elif name == "cbr":
+ print_common_start(comm, sample, name)
+ print_cbr(raw_buf)
+ print_common_ip(sample, symbol, dso)
+ elif name == "mwait":
+ print_common_start(comm, sample, name)
+ print_mwait(raw_buf)
+ print_common_ip(sample, symbol, dso)
+ elif name == "pwre":
+ print_common_start(comm, sample, name)
+ print_pwre(raw_buf)
+ print_common_ip(sample, symbol, dso)
+ elif name == "exstop":
+ print_common_start(comm, sample, name)
+ print_exstop(raw_buf)
+ print_common_ip(sample, symbol, dso)
+ elif name == "pwrx":
+ print_common_start(comm, sample, name)
+ print_pwrx(raw_buf)
+ print_common_ip(sample, symbol, dso)
next prev parent reply other threads:[~2017-07-01 8:57 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-26 8:17 [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 01/37] perf intel-pt: Move decoder error setting into one condition Adrian Hunter
2017-06-21 18:19 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 02/37] perf intel-pt: Improve sample timestamp Adrian Hunter
2017-06-21 18:20 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 03/37] perf intel-pt: Fix missing stack clear Adrian Hunter
2017-06-21 18:20 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 04/37] perf intel-pt: Ensure IP is zero when state is INTEL_PT_STATE_NO_IP Adrian Hunter
2017-06-21 18:21 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 05/37] perf intel-pt: Fix last_ip usage Adrian Hunter
2017-06-21 18:22 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 06/37] perf intel-pt: Ensure never to set 'last_ip' when packet 'count' is zero Adrian Hunter
2017-06-21 18:22 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 07/37] perf intel-pt: Use FUP always when scanning for an IP Adrian Hunter
2017-06-21 18:23 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 08/37] perf intel-pt: Clear FUP flag on error Adrian Hunter
2017-06-21 18:23 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 09/37] perf intel-pt: Add missing __fallthrough Adrian Hunter
2017-06-21 18:24 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 10/37] perf intel-pt: Allow decoding with branch tracing disabled Adrian Hunter
2017-06-21 18:24 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 11/37] perf intel-pt: Add default config for pass-through branch enable Adrian Hunter
2017-06-21 18:25 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 12/37] perf intel-pt: Add documentation for new config terms Adrian Hunter
2017-06-21 18:25 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 13/37] perf intel-pt: Add decoder support for ptwrite and power event packets Adrian Hunter
2017-06-21 18:26 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 14/37] perf intel-pt: Add reserved byte to CBR packet payload Adrian Hunter
2017-06-21 18:27 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 15/37] perf intel-pt: Add decoder support for CBR events Adrian Hunter
2017-06-21 18:27 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 16/37] perf intel-pt: Remove redundant initial_skip checks Adrian Hunter
2017-06-21 18:28 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 17/37] perf intel-pt: Fix transactions_sample_type Adrian Hunter
2017-06-21 18:28 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 18/37] perf tools: Fix message because cpu list option is -C not -c Adrian Hunter
2017-06-21 18:29 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 19/37] perf script: Fix message because field list option is -F not -f Adrian Hunter
2017-06-21 18:29 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 20/37] perf script: Add 'synth' event type for synthesized events Adrian Hunter
2017-06-21 10:17 ` [PATCH V3 " Adrian Hunter
2017-06-21 13:51 ` Arnaldo Carvalho de Melo
2017-06-21 16:41 ` Adrian Hunter
2017-06-21 17:29 ` Arnaldo Carvalho de Melo
2017-06-21 20:20 ` Adrian Hunter
2017-06-22 14:59 ` Arnaldo Carvalho de Melo
2017-07-01 8:50 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 21/37] perf script: Add 'synth' field for synthesized event payloads Adrian Hunter
2017-06-21 10:17 ` [PATCH V3 " Adrian Hunter
2017-07-01 8:51 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 22/37] tools include: Add byte-swapping macros to kernel.h Adrian Hunter
2017-07-01 8:50 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 23/37] perf auxtrace: Add itrace option to output ptwrite events Adrian Hunter
2017-07-01 8:51 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 24/37] perf auxtrace: Add itrace option to output power events Adrian Hunter
2017-07-01 8:51 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 25/37] perf script: Add synthesized Intel PT power and ptwrite events Adrian Hunter
2017-06-28 13:04 ` Arnaldo Carvalho de Melo
2017-06-28 17:40 ` Adrian Hunter
2017-06-28 18:53 ` Arnaldo Carvalho de Melo
2017-06-28 20:21 ` Hunter, Adrian
2017-06-28 20:26 ` Arnaldo Carvalho de Melo
2017-06-29 19:56 ` Adrian Hunter
2017-06-29 20:13 ` Arnaldo Carvalho de Melo
2017-06-30 2:08 ` Arnaldo Carvalho de Melo
2017-06-30 8:51 ` Adrian Hunter
2017-06-30 14:54 ` Arnaldo Carvalho de Melo
2017-06-30 19:37 ` Hunter, Adrian
2017-06-30 8:36 ` [PATCH V3 " Adrian Hunter
2017-07-01 8:52 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 26/37] perf intel-pt: Factor out common code synthesizing event samples Adrian Hunter
2017-07-01 8:52 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 27/37] perf intel-pt: Remove unused instructions_sample_period Adrian Hunter
2017-07-01 8:52 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 28/37] perf intel-pt: Join needlessly wrapped lines Adrian Hunter
2017-07-01 8:53 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 29/37] perf intel-pt: Tidy Intel PT evsel lookup into separate function Adrian Hunter
2017-07-01 8:53 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 30/37] perf intel-pt: Tidy messages into called function intel_pt_synth_event() Adrian Hunter
2017-07-01 8:53 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 31/37] perf intel-pt: Factor out intel_pt_set_event_name() Adrian Hunter
2017-07-01 8:54 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 32/37] perf intel-pt: Move code in intel_pt_synth_events() to simplify attr setting Adrian Hunter
2017-07-01 8:54 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 33/37] perf intel-pt: Synthesize new power and ptwrite events Adrian Hunter
2017-06-30 8:36 ` [PATCH V3 " Adrian Hunter
2017-07-01 8:54 ` [tip:perf/core] perf intel-pt: Synthesize new power and "ptwrite" events tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 34/37] perf intel-pt: Add example script for power events and PTWRITE Adrian Hunter
2017-07-01 8:55 ` tip-bot for Adrian Hunter [this message]
2017-05-26 8:17 ` [PATCH V2 35/37] perf intel-pt: Update documentation to include new ptwrite and power events Adrian Hunter
2017-07-01 8:55 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 36/37] perf intel-pt: Do not use TSC packets for calculating CPU cycles to TSC Adrian Hunter
2017-07-01 8:56 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-05-26 8:17 ` [PATCH V2 37/37] perf auxtrace: Add CPU filter support Adrian Hunter
2017-07-01 8:56 ` [tip:perf/core] " tip-bot for Adrian Hunter
2017-06-12 13:04 ` [PATCH V2 00/37] perf intel-pt: Power events and PTWRITE Adrian Hunter
2017-06-12 13:56 ` Arnaldo Carvalho de Melo
2017-06-21 10:20 ` Adrian Hunter
2017-06-21 13:40 ` Arnaldo Carvalho de Melo
2017-06-27 15:27 ` Arnaldo Carvalho de Melo
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