mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-10 13:11:32 +00:00
Use option specs. Refactor internals.
This commit is contained in:
Daniel Nichter
175
bin/pt-stalk
175
bin/pt-stalk
@@ -295,17 +295,55 @@ trg_magic() {
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}
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oktorun() {
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if [ $OKTORUN -ne 0 ]; then
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if [ $OKTORUN -eq 0 ]; then
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return 1 # stop running
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fi
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if [ -n "$OPT_ITERATIONS" -a "$ITER" -gt "$OPT_ITERATIONS" ]; then
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if [ -n "$OPT_ITERATIONS" ] && [ $ITER -ge $OPT_ITERATIONS ]; then
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return 1 # stop running
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fi
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return 0 # continue running
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}
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sleep_ok() {
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local seconds=$1
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local msg=$2
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if oktorun; then
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if [ -n "$msg" ]; then
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log $msg
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fi
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sleep $seconds
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fi
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}
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purge_samples() {
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# Delete things more than $PURGE days old
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#find "$OPT_DEST" -type f -mtime +$OPT_PURGE -exec rm -f '{}' \;
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#find "/var/lib/oprofile/samples" -type d -name 'pt_collect_*' \
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# -depth -mtime +$OPT_PURGE -exec rm -f '{}' \;
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:
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}
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collect() {
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log "$OPT_COLLECT triggered"
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ITER=$((ITER + 1))
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# PREFIX="$(date +%F-%T | tr :- _)"
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# echo "${NOTE}" > "${DEST}/${PREFIX}-trigger"
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# Run pt-collect.
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$OPT_EXECUTE_COMMAND \
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-i "$OPT_RUN_TIME" \
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-g "$OPT_COLLECT_GDB" \
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-o "$OPT_COLLECT_OPROFILE" \
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-s "$OPT_COLLECT_STRACE" \
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-t "$OPT_COLLECT_TCPDUMP" \
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-f "$OPT_DISK_PCT_LIMIT" \
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-m "$OPT_DISK_BYTE_LIMIT" \
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-- "$EXT_ARGV"
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}
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# ###########################################################################
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# Main program loop, called below if tool is ran from the command line.
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# ###########################################################################
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@@ -356,34 +394,13 @@ main() {
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log "Check results: $OPT_VARIABLE=$value, matched=$matched, cycles_true=$cycles_true"
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if [ "$matched" = "yes" -a $cycles_true -ge $OPT_CYCLES ]; then
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log "$OPT_COLLECT triggered"
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ITER=$((ITER + 1))
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# PREFIX="$(date +%F-%T | tr :- _)"
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# echo "${NOTE}" > "${DEST}/${PREFIX}-trigger"
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# Run pt-collect.
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$OPT_EXECUTE_COMMAND \
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-i "$OPT_RUN_TIME" \
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-g "$OPT_COLLECT_GDB" \
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-o "$OPT_COLLECT_OPROFILE" \
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-s "$OPT_COLLECT_STRACE" \
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-t "$OPT_COLLECT_TCPDUMP" \
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-f "$OPT_DISK_PCT_LIMIT" \
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-m "$OPT_DISK_BYTE_LIMIT" \
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-- "$EXT_ARGV"
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log "Sleeping $OPT_SLEEP seconds to avoid DOS attack"
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sleep $OPT_SLEEP
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collect
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sleep_ok $OPT_SLEEP "Sleeping $OPT_SLEEP seconds to avoid DOS attack"
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else
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sleep $OPT_INTERVAL
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sleep_ok $OPT_INTERVAL
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fi
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# Delete things more than $PURGE days old
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#find "$OPT_DEST" -type f -mtime +$OPT_PURGE -exec rm -f '{}' \;
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#find "/var/lib/oprofile/samples" -type d -name 'pt_collect_*' \
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# -depth -mtime +$OPT_PURGE -exec rm -f '{}' \;
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purge_samples
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done
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# Remove the secure tmpdir. This is not actually called because
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@@ -479,49 +496,69 @@ TODO
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=over
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=item --collect-gdb BOOLEAN
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=item --collect
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Collect GDB stacktraces. (default: no)
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default: yes; negatable: yes
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=item --collect-oprofile BOOLEAN
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Collect system information.
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Collect oprofile data. (default: no)
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=item --collect-gdb
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=item --collect-strace BOOLEAN
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Collect GDB stacktraces.
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Collect strace data. (default: no)
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=item --collect-oprofile
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Collect oprofile data.
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=item --collect-strace
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Collect strace data.
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=item --collect-tcpdump
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Collect tcpdump data? (default: no)
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Collect tcpdump data.
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=item --cycles N
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=item --cycles
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Number of times condition must be met before triggering collection. (default: 5)
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type: int; default: 5
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Number of times condition must be met before triggering collection.
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=item --daemonize
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default: yes; negatable: yes
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Daemonize the tool.
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=item --dest DIRECTORY
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=item --dest
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type: string
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Where to store collected data.
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=item --disk-byte-limit MEGABYTES
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=item --disk-byte-limit
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Exit if the disk has less than this many MB free. (default: 100)
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type: int; default: 100
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=item --disk-pct-limit PERCENT
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Exit if the disk has less than this many MB free.
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Exit if the disk is less than this %full. (default: 5)
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=item --disk-pct-limit
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=item --execute-command COMMAND
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type: int; default: 5
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Location of the C<pt-collect> tool. (default: pt-collect)
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Exit if the disk is less than this %full.
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=item --function FUNCTION
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=item --execute-command
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Built-in function name or plugin file name which returns the value of C<VARIABLE>. (default: status)
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type: string; default: pt-collect
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Location of the C<pt-collect> tool.
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=item --function
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type: string; default: status
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Built-in function name or plugin file name which returns the value of C<VARIABLE>.
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Possible values are:
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@@ -575,48 +612,68 @@ Print help and exit.
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Interval between checks. (default: 1)
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=item --iterations N
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=item --iterations
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type: int
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Exit after triggering C<pt-collect> this many times. By default, the tool
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will collect as many times as it's triggered.
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=item --log FILE
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=item --log
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Print all output to this file when daemonized. (default: /var/log/pt-stalk.log)
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type: string; default: /var/log/pt-stalk.log
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=item --match PATTERN
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Print all output to this file when daemonized.
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=item --match
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type: string
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Match pattern for C<processles> L<"--function">.
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=item --notify-by-email EMAILS
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=item --notify-by-email
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type: string
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Send mail to this list of addresses when C<pt-collect> triggers.
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=item --pid FILE
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Create a PID file when daemonized. (default: /var/run/pt-stalk.pid)
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type: string; default: /var/run/pt-stalk.pid
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=item --retention-time DAYS
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Create a PID file when daemonized.
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Remove samples after this many days. (default: 30)
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=item --retention-time
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=item --run-time SECONDS
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type: int; default: 30
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How long to collect statistics data for? (default: 30)
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Remove samples after this many days.
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=item --run-time
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type: int; default: 30
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How long to collect statistics data for?
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Make sure that this isn't longer than SLEEP.
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=item --sleep SECONDS
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=item --sleep
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How long to sleep after collecting? (default: 300)
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type: int; default: 300
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How long to sleep after collecting?
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=item --threshold N
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Max number of C<N> to tolerate. (default: 25)
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type: int; default: 25
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Max number of C<N> to tolerate.
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=item --variable NAME
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This is the thing to check for. (default: Threads_running)
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type: string; default: Threads_running
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This is the thing to check for.
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=item --version
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