From b46aad6df449445a9fc4aa7b32bd40005438e3f7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 14:18:05 +0200 Subject: Adding upstream version 2.9.5. Signed-off-by: Daniel Baumann --- dev/trace/trace.awk | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100755 dev/trace/trace.awk (limited to 'dev/trace') diff --git a/dev/trace/trace.awk b/dev/trace/trace.awk new file mode 100755 index 0000000..7b3b131 --- /dev/null +++ b/dev/trace/trace.awk @@ -0,0 +1,78 @@ +#!/bin/sh +# +# trace.awk - Fast trace symbol resolver - w@1wt.eu - 2012/05/25 +# +# Principle: this program launches reads pointers from a trace file and if not +# found in its cache, it passes them over a pipe to addr2line which is forked +# in a coprocess, then stores the result in the cache. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version +# 2 of the License, or (at your option) any later version. +# +# usage: $0 exec_file < trace.out +# + +if [ $# -lt 1 ]; then + echo "Usage: ${0##*/} exec_file < trace.out" + echo "Example: ${0##*/} ./haproxy < trace.out" + echo "Example: HAPROXY_TRACE=/dev/stdout ./haproxy -f cfg | ${0##*/} ./haproxy" + exit 1 +fi + +if [ ! -s "$1" ]; then + echo "$1 is not a valid executable file" + exit 1 +fi + +exec awk -v prog="$1" \ +' +BEGIN { + if (cmd == "") + cmd=ENVIRON["ADDR2LINE"]; + if (cmd == "") + cmd="addr2line"; + + if (prog == "") + prog=ENVIRON["PROG"]; + + cmd=cmd " -f -s -e " prog; + + for (i = 1; i < 100; i++) { + indents[">",i] = indents[">",i-1] "->" + indents[">",i-1] = indents[">",i-1] " " + indents["<",i] = indents["<",i-1] " " + indents["<",i-1] = indents["<",i-1] " " + indents[" ",i] = indents[" ",i-1] "##" + indents[" ",i-1] = indents[" ",i-1] " " + } +} + +function getptr(ptr) +{ + loc=locs[ptr]; + name=names[ptr]; + if (loc == "" || name == "") { + print ptr |& cmd; + cmd |& getline name; + cmd |& getline loc; + names[ptr]=name + locs[ptr]=loc + } +} + +{ + # input format: [|...] + if ($3 == "#") { # this is a trace comment + printf "%s %s ", $1, indents[" ",$2] + $1=""; $2=""; $3="" + print substr($0,4) + next + } + getptr($3); caller_loc=loc; caller_name=name + getptr($5); callee_loc=loc; callee_name=name + printf "%s %s %s %s %s(%s) [%s:%s] %s [%s:%s]\n", + $1, indents[$4,$2], caller_name, $4, callee_name, $6, caller_loc, $3, $4, callee_loc, $5 +} +' -- cgit v1.2.3