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https://github.com/trezor/trezor-firmware.git
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core: remove flamegraph
This commit is contained in:
Pavol Rusnak
parent
13195831d5
commit
b76fb0905d
@ -5,7 +5,6 @@ source emu.config 2>/dev/null
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EXE=build/unix/micropython
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PYOPT="${PYOPT:-1}"
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MAIN="${MAIN:-${PWD}/src/main.py}"
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BROWSER="${BROWSER:-chromium}"
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HEAPSIZE="${HEAPSIZE:-50M}"
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SOURCE_PY_DIR="${SOURCE_PY_DIR:-src}"
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@ -33,14 +32,6 @@ case "$1" in
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kill $UPY_PID
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done
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;;
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"-p")
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shift
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../$EXE $ARGS $* $MAIN &
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perf record -F 100 -p $! -g -- sleep 600
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perf script > perf.trace
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../vendor/flamegraph/stackcollapse-perf.pl perf.trace | ../vendor/flamegraph/flamegraph.pl > perf.svg
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$BROWSER perf.svg
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;;
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*)
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../$EXE $ARGS $* $MAIN
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esac
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1077
core/vendor/flamegraph/flamegraph.pl
vendored
1077
core/vendor/flamegraph/flamegraph.pl
vendored
File diff suppressed because it is too large
Load Diff
257
core/vendor/flamegraph/stackcollapse-perf.pl
vendored
257
core/vendor/flamegraph/stackcollapse-perf.pl
vendored
@ -1,257 +0,0 @@
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#!/usr/bin/perl -w
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#
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# stackcolllapse-perf.pl collapse perf samples into single lines.
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#
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# Parses a list of multiline stacks generated by "perf script", and
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# outputs a semicolon separated stack followed by a space and a count.
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# If memory addresses (+0xd) are present, they are stripped, and resulting
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# identical stacks are colased with their counts summed.
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#
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# USAGE: ./stackcollapse-perf.pl [options] infile > outfile
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#
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# Run "./stackcollapse-perf.pl -h" to list options.
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#
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# Example input:
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#
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# swapper 0 [000] 158665.570607: cpu-clock:
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# ffffffff8103ce3b native_safe_halt ([kernel.kallsyms])
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# ffffffff8101c6a3 default_idle ([kernel.kallsyms])
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# ffffffff81013236 cpu_idle ([kernel.kallsyms])
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# ffffffff815bf03e rest_init ([kernel.kallsyms])
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# ffffffff81aebbfe start_kernel ([kernel.kallsyms].init.text)
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# [...]
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#
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# Example output:
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#
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# swapper;start_kernel;rest_init;cpu_idle;default_idle;native_safe_halt 1
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#
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# Input may be created and processed using:
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#
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# perf record -a -g -F 997 sleep 60
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# perf script | ./stackcollapse-perf.pl > out.stacks-folded
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#
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# The output of "perf script" should include stack traces. If these are missing
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# for you, try manually selecting the perf script output; eg:
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#
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# perf script -f comm,pid,tid,cpu,time,event,ip,sym,dso,trace | ...
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#
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# This is also required for the --pid or --tid options, so that the output has
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# both the PID and TID.
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#
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# Copyright 2012 Joyent, Inc. All rights reserved.
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# Copyright 2012 Brendan Gregg. All rights reserved.
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#
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# CDDL HEADER START
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#
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# The contents of this file are subject to the terms of the
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# Common Development and Distribution License (the "License").
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# You may not use this file except in compliance with the License.
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#
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# You can obtain a copy of the license at docs/cddl1.txt or
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# http://opensource.org/licenses/CDDL-1.0.
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# See the License for the specific language governing permissions
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# and limitations under the License.
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#
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# When distributing Covered Code, include this CDDL HEADER in each
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# file and include the License file at docs/cddl1.txt.
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# If applicable, add the following below this CDDL HEADER, with the
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# fields enclosed by brackets "[]" replaced with your own identifying
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# information: Portions Copyright [yyyy] [name of copyright owner]
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#
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# CDDL HEADER END
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#
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# 02-Mar-2012 Brendan Gregg Created this.
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# 02-Jul-2014 " " Added process name to stacks.
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use strict;
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use Getopt::Long;
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my %collapsed;
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sub remember_stack {
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my ($stack, $count) = @_;
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$collapsed{$stack} += $count;
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}
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my $annotate_kernel = 0; # put an annotation on kernel function
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my $include_pname = 1; # include process names in stacks
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my $include_pid = 0; # include process ID with process name
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my $include_tid = 0; # include process & thread ID with process name
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my $tidy_java = 1; # condense Java signatures
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my $tidy_generic = 1; # clean up function names a little
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my $target_pname; # target process name from perf invocation
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my $show_inline = 0;
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my $show_context = 0;
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GetOptions('inline' => \$show_inline,
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'context' => \$show_context,
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'pid' => \$include_pid,
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'kernel' => \$annotate_kernel,
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'tid' => \$include_tid)
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or die <<USAGE_END;
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USAGE: $0 [options] infile > outfile\n
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--pid # include PID with process names [1]
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--tid # include TID and PID with process names [1]
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--inline # un-inline using addr2line
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--kernel # annotate kernel functions with a _[k]
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--context # include source context from addr2line\n
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[1] perf script must emit both PID and TIDs for these to work; eg:
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perf script -f comm,pid,tid,cpu,time,event,ip,sym,dso,trace
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USAGE_END
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# for the --inline option
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sub inline {
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my ($pc, $mod) = @_;
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# capture addr2line output
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my $a2l_output = `addr2line -a $pc -e $mod -i -f -s -C`;
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# remove first line
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$a2l_output =~ s/^(.*\n){1}//;
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my @fullfunc;
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my $one_item = "";
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for (split /^/, $a2l_output) {
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chomp $_;
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# remove discriminator info if exists
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$_ =~ s/ \(discriminator \S+\)//;
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if ($one_item eq "") {
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$one_item = $_;
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} else {
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if ($show_context == 1) {
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unshift @fullfunc, $one_item . ":$_";
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} else {
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unshift @fullfunc, $one_item;
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}
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$one_item = "";
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}
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}
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return join(";", @fullfunc);
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}
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my @stack;
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my $pname;
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#
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# Main loop
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#
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while (defined($_ = <>)) {
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# find the name of the process launched by perf, by stepping backwards
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# over the args to find the first non-option (no dash):
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if (/^# cmdline/) {
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my @args = split ' ', $_;
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foreach my $arg (reverse @args) {
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if ($arg !~ /^-/) {
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$target_pname = $arg;
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$target_pname =~ s:.*/::; # strip pathname
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last;
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}
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}
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}
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# skip remaining comments
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next if m/^#/;
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chomp;
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# end of stack. save cached data.
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if (m/^$/) {
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if ($include_pname) {
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if (defined $pname) {
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unshift @stack, $pname;
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} else {
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unshift @stack, "";
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}
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}
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remember_stack(join(";", @stack), 1) if @stack;
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undef @stack;
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undef $pname;
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next;
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}
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# event record start
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if (/^(\S+\s*?\S*?)\s+(\d+)\s/) {
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# default "perf script" output has TID but not PID
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# eg, "java 25607 4794564.109216: cycles:"
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# eg, "java 12688 [002] 6544038.708352: cpu-clock:"
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# eg, "V8 WorkerThread 25607 4794564.109216: cycles:"
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# other combinations possible
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if ($include_tid) {
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$pname = "$1-?/$2";
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} elsif ($include_pid) {
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$pname = "$1-?";
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} else {
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$pname = $1;
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}
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$pname =~ tr/ /_/;
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} elsif (/^(\S+\s*?\S*?)\s+(\d+)\/(\d+)/) {
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# eg, "java 24636/25607 [000] 4794564.109216: cycles:"
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# eg, "java 12688/12764 6544038.708352: cpu-clock:"
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# eg, "V8 WorkerThread 24636/25607 [000] 94564.109216: cycles:"
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# other combinations possible
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if ($include_tid) {
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$pname = "$1-$2/$3";
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} elsif ($include_pid) {
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$pname = "$1-$2";
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} else {
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$pname = $1;
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}
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$pname =~ tr/ /_/;
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# stack line
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} elsif (/^\s*(\w+)\s*(.+) \((\S*)\)/) {
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my ($pc, $rawfunc, $mod) = ($1, $2, $3);
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$rawfunc.="_[k]" if ($annotate_kernel == 1 && $mod =~ m/kernel\./);
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if ($show_inline == 1 && $mod !~ m/(perf-\d+.map|kernel\.|\[[^\]]+\])/) {
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unshift @stack, inline($pc, $mod);
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next;
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}
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next if $rawfunc =~ /^\(/; # skip process names
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my @inline;
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for (split /\->/, $rawfunc) {
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my $func = $_;
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if ($tidy_generic) {
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$func =~ s/;/:/g;
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$func =~ tr/<>//d;
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if ($func !~ m/\.\(.*\)\./) {
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# This doesn't look like a Go method name (such as
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# "net/http.(*Client).Do"), so everything after the first open
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# paren is just noise.
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$func =~ s/\(.*//;
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}
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# now tidy this horrible thing:
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# 13a80b608e0a RegExp:[&<>\"\'] (/tmp/perf-7539.map)
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$func =~ tr/"\'//d;
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# fall through to $tidy_java
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}
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if ($tidy_java and $pname eq "java") {
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# along with $tidy_generic, converts the following:
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# Lorg/mozilla/javascript/ContextFactory;.call(Lorg/mozilla/javascript/ContextAction;)Ljava/lang/Object;
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# Lorg/mozilla/javascript/ContextFactory;.call(Lorg/mozilla/javascript/C
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# Lorg/mozilla/javascript/MemberBox;.<init>(Ljava/lang/reflect/Method;)V
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# into:
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# org/mozilla/javascript/ContextFactory:.call
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# org/mozilla/javascript/ContextFactory:.call
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# org/mozilla/javascript/MemberBox:.init
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$func =~ s/^L// if $func =~ m:/:;
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}
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$func .= "_[i]" if scalar(@inline) > 0; #inlined
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push @inline, $func;
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}
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unshift @stack, @inline;
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} else {
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warn "Unrecognized line: $_";
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}
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}
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foreach my $k (sort { $a cmp $b } keys %collapsed) {
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print "$k $collapsed{$k}\n";
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}
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