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Add --sleep-collect, default 1.

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This commit is contained in:
Daniel Nichter
2013-07-24 11:53:08 -07:00
parent 8f78050570
commit 50301e51d5
2 changed files with 11 additions and 5 deletions
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6
bin/pt-stalk
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@@ -1992,6 +1992,12 @@ from triggering continuously, which might be a problem if the collection process
It also prevents filling up the disk or gathering too much data to analyze
reasonably.
=item --sleep-collect
type: int; default: 1
How long to sleep between collection loop cycles.
=item --socket
short form: -S; type: string

10
lib/bash/collect.sh
View File

@@ -147,15 +147,15 @@ collect() {
$CMD_SYSCTL -a >> "$d/$p-sysctl" &
fi
if [ "$CMD_VMSTAT" ]; then
$CMD_VMSTAT 1 $OPT_RUN_TIME >> "$d/$p-vmstat" &
$CMD_VMSTAT $OPT_SLEEP_COLLECT $OPT_RUN_TIME >> "$d/$p-vmstat" &
$CMD_VMSTAT $OPT_RUN_TIME 2 >> "$d/$p-vmstat-overall" &
fi
if [ "$CMD_IOSTAT" ]; then
$CMD_IOSTAT -dx 1 $OPT_RUN_TIME >> "$d/$p-iostat" &
$CMD_IOSTAT -dx $OPT_SLEEP_COLLECT $OPT_RUN_TIME >> "$d/$p-iostat" &
$CMD_IOSTAT -dx $OPT_RUN_TIME 2 >> "$d/$p-iostat-overall" &
fi
if [ "$CMD_MPSTAT" ]; then
$CMD_MPSTAT -P ALL 1 $OPT_RUN_TIME >> "$d/$p-mpstat" &
$CMD_MPSTAT -P ALL $OPT_SLEEP_COLLECT $OPT_RUN_TIME >> "$d/$p-mpstat" &
$CMD_MPSTAT -P ALL $OPT_RUN_TIME 1 >> "$d/$p-mpstat-overall" &
fi
@@ -165,7 +165,7 @@ collect() {
# get and keep a connection to the database; in troubled times
# the database tends to exceed max_connections, so reconnecting
# in the loop tends not to work very well.
$CMD_MYSQLADMIN $EXT_ARGV ext -i1 -c$OPT_RUN_TIME >>"$d/$p-mysqladmin" &
$CMD_MYSQLADMIN $EXT_ARGV ext -i$OPT_SLEEP_COLLECT -c$OPT_RUN_TIME >>"$d/$p-mysqladmin" &
local mysqladmin_pid=$!
local have_lock_waits_table=""
@@ -189,7 +189,7 @@ collect() {
|| break
# Synchronize ourselves onto the clock tick, so the sleeps are 1-second
sleep $(date +%s.%N | awk '{print 1 - ($1 % 1)}')
sleep $(date +%s.%N | awk '{print $OPT_SLEEP_COLLECT - ($1 % $OPT_SLEEP_COLLECT)}')
local ts="$(date +"TS %s.%N %F %T")"
# #####################################################################