106 lines
3.0 KiB
Bash
106 lines
3.0 KiB
Bash
#!/usr/bin/env zsh
|
|
#
|
|
# Generates trace log to debug zim and zsh issues
|
|
#
|
|
|
|
print "This function creates a trace log to debug
|
|
Zsh and Zim functionality.
|
|
|
|
It will copy your .zshrc to /tmp/ztrace/, ammend profiling
|
|
code, launch a new shell, log the trace, close the shell,
|
|
archive the logs, and finally print the path to the archive."
|
|
|
|
read \?"Press [Enter] to begin trace."
|
|
|
|
mkdir -p /tmp/ztrace
|
|
# make sure that we were able to create the directory
|
|
if [[ ! -d /tmp/ztrace ]]; then
|
|
print 'failed to create /tmp/ztrace directory. Aborting.'
|
|
return 1
|
|
else
|
|
# check if known output file, if exists
|
|
# rm all directory contents
|
|
if [[ -e /tmp/ztrace/ztrace.log ]]; then
|
|
print "\nLogs from previous run of trace-zim are present
|
|
Deleting old logs now..."
|
|
# use of anonymous function for dotglob opt
|
|
() {
|
|
setopt dotglob
|
|
rm -rf /tmp/ztrace/*
|
|
}
|
|
fi
|
|
fi
|
|
|
|
# get some basic system information (kernel and zsh version)
|
|
print "Zsh version:
|
|
$(zsh --version)
|
|
Kernel information:
|
|
$(uname -a)
|
|
fpath info:
|
|
${fpath}" >! /tmp/ztrace/sysinfo
|
|
|
|
cp ${ZDOTDIR:-${HOME}}/.zshrc /tmp/ztrace/.zshrc.orig
|
|
cp ${ZDOTDIR:-${HOME}}/.zimrc /tmp/ztrace/.zimrc
|
|
# rsync will allow us to not have to copy the .git folder; use if available
|
|
if (( ${+commands[rsync]} )); then
|
|
rsync -az --exclude .git ${ZDOTDIR:-${HOME}}/.zim /tmp/ztrace/
|
|
else
|
|
cp -R ${ZDOTDIR:-${HOME}}/.zim /tmp/ztrace/
|
|
fi
|
|
|
|
# create a modified .zshrc to produce a trace log
|
|
cat <<EOF >! /tmp/ztrace/.zshrc
|
|
###################
|
|
# zim trace start #
|
|
###################
|
|
PS4=$'%D{%s%6.}-_-'
|
|
exec 3>&2 2>/tmp/ztrace/sample-time.$$.log
|
|
zmodload zsh/zprof
|
|
setopt xtrace prompt_subst
|
|
EOF
|
|
|
|
cat /tmp/ztrace/.zshrc.orig >>! /tmp/ztrace/.zshrc
|
|
|
|
cat <<EOF >>! /tmp/ztrace/.zshrc
|
|
#################
|
|
# zim trace end #
|
|
#################
|
|
|
|
unsetopt xtrace
|
|
zprof >! /tmp/ztrace/zprof
|
|
#non-linux systems have weird fd; also, no real need to redirect back
|
|
#prompt is (practically speaking) non-interactive, fd exists only for that process
|
|
#which is closed (by typing exit)
|
|
|
|
#exec 2>&3 3>&-
|
|
EOF
|
|
|
|
print "\nSpawning zsh and producing trace...\n\n"
|
|
ZDOTDIR=/tmp/ztrace zsh -ic 'exit'
|
|
print "Trace complete.
|
|
Parsing logs to a nicer format; this may take some time..."
|
|
|
|
# this is ugly thing makes it pretty...
|
|
while read line; do if [[ ${line} =~ '^[0-9]+-_-' ]]; then crt=000000$((${line%%-_-*}-10#0$last)); printf "%12.9f %s\n" ${crt:0:${#crt}-6}.${crt:${#crt}-6} ${line#*-_-}; last=${line%%-_-*}; fi; done < /tmp/ztrace/sample-time.(*).log > /tmp/ztrace/ztrace.log
|
|
print "Parsing complete!"
|
|
|
|
# safe to remove old, unneeded environment files
|
|
print "Tidying up before archive..."
|
|
rm -f /tmp/ztrace/sample-time.*
|
|
rm -rf /tmp/ztrace/.zim
|
|
rm -f /tmp/ztrace/.zshrc
|
|
mv /tmp/ztrace/.zshrc.orig /tmp/ztrace/.zshrc
|
|
rm -f /tmp/ztrace/.zhistory
|
|
rm -f /tmp/ztrace/.zcompdump*
|
|
|
|
print "Archiving trace logs...\n"
|
|
|
|
tar -czf /tmp/ztrace.tar.gz /tmp/ztrace/
|
|
|
|
print "Archive complete!\n
|
|
Trace by with execution time available at:
|
|
/tmp/ztrace/ztrace.log
|
|
Archive (for sharing/help) available at:
|
|
/tmp/ztrace.tar.gz"
|
|
|