mirror of https://github.com/grpc/grpc.git
Merge pull request #1408 from dgquintas/stap
Integration of Systemtap as a profiling mechanism.pull/1434/head
Craig Tiller
10 years ago
commit
f2791ab02b
21 changed files with 403 additions and 86 deletions
@ -0,0 +1,6 @@ |
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provider _stap { |
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probe add_mark(int tag); |
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probe timing_ns_begin(int tag); |
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probe timing_ns_end(int tag); |
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}; |
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|
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@ -0,0 +1,57 @@ |
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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|
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#include <grpc/support/port_platform.h> |
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#ifdef GRPC_STAP_PROFILER |
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#include "src/core/profiling/timers.h" |
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#include <sys/sdt.h> |
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/* Generated from src/core/profiling/stap_probes.d */ |
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#include "src/core/profiling/stap_probes.h" |
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|
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/* Latency profiler API implementation. */ |
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void grpc_timer_add_mark(int tag, void* id, const char *file, int line) { |
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_STAP_ADD_MARK(tag); |
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} |
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|
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void grpc_timer_begin(int tag, void* id, const char *file, int line) { |
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_STAP_TIMING_NS_BEGIN(tag); |
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} |
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void grpc_timer_end(int tag, void* id, const char *file, int line) { |
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_STAP_TIMING_NS_END(tag); |
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} |
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#endif /* GRPC_STAP_PROFILER */ |
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@ -0,0 +1,42 @@ |
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
||||
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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|
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#include <sys/sdt.h> |
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#ifndef _SYS_SDT_H |
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#error "_SYS_SDT_H not defined, despite <sys/sdt.h> being present." |
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#endif |
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int main() { |
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return 0; |
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} |
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@ -0,0 +1,40 @@ |
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/* This script requires a command line argument, to be used in the "process" |
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* probe definition. |
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* |
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* For a statically build binary, that'd be the name of the binary itself. |
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* For dinamically built ones, point to the location of the libgprc.so being |
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* used. */ |
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global starts, times, times_per_tag |
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probe process(@1).mark("timing_ns_begin") { |
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starts[$arg1, tid()] = gettimeofday_ns(); |
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} |
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probe process(@1).mark("timing_ns_end") { |
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tag = $arg1 |
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t = gettimeofday_ns(); |
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if (s = starts[tag, tid()]) { |
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times[tag, tid()] <<< t-s; |
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delete starts[tag, tid()]; |
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} |
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} |
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probe end { |
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printf("%15s %9s %10s %10s %10s %10s\n", "tag", "tid", "count", |
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"min(ns)", "avg(ns)", "max(ns)"); |
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foreach ([tag+, tid] in times) { |
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printf("%15X %9d %10d %10d %10d %10d\n", tag, tid, @count(times[tag, tid]), |
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@min(times[tag, tid]), @avg(times[tag, tid]), @max(times[tag, tid])); |
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} |
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printf("Per tag average of averages\n"); |
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foreach ([tag+, tid] in times) { |
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times_per_tag[tag] <<< @avg(times[tag, tid]); |
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} |
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printf("%15s %10s %10s\n", "tag", "count", "avg(ns)"); |
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foreach ([tag+] in times_per_tag) { |
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printf("%15X %10d %10d\n", tag, @count(times_per_tag[tag]), |
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@avg(times_per_tag[tag])); |
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} |
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} |
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