On 02/07/17 at 05:55P, rai...@ultra-secure.de wrote: > Hi, > > in Brendan Gregg's tutorial: > > http://www.brendangregg.com/blog/2015-03-10/freebsd-flame-graphs.html > > it says to run > > pmcstat ?S RESOURCE_STALLS.ANY -O out.pmcstat sleep 10
Not sure if it's the mailer or what but it should be '-S' and not '?S'. > > However, I get > > freebsd11 </root>) 0 # pmcstat ?S RESOURCE_STALLS.ANY -O out.pmcstat > sleep 10 > pmcstat: [options] [commandline] > Measure process and/or system performance using hardware > performance monitoring counters. > Options include: > -C (toggle) show cumulative counts > -D path create profiles in directory "path" > -E (toggle) show counts at process exit > -F file write a system-wide callgraph (Kcachegrind > format) to "file" > -G file write a system-wide callgraph to "file" > -M file print executable/gmon file map to "file" > -N (toggle) capture callchains > -O file send log output to "file" > -P spec allocate a process-private sampling PMC > -R file read events from "file" > -S spec allocate a system-wide sampling PMC > -T start in top mode > -W (toggle) show counts per context switch > -a file print sampled PCs and callgraph to "file" > -c cpu-list set cpus for subsequent system-wide PMCs > -d (toggle) track descendants > -e use wide history counter for gprof(1) output > -f spec pass "spec" to as plugin option > -g produce gprof(1) compatible profiles > -k dir set the path to the kernel > -l secs set duration time > -m file print sampled PCs to "file" > -n rate set sampling rate > -o file send print output to "file" > -p spec allocate a process-private counting PMC > -q suppress verbosity > -r fsroot specify FS root directory > -s spec allocate a system-wide counting PMC > -t process-spec attach to running processes matching > "process-spec" > -v increase verbosity > -w secs set printing time interval > -z depth limit callchain display depth > > > I assume, the event specifier is not correct. Is there a list of the > valid ones in FreeBSD 11? You can see available event-spacs via 'pmccontrol -L'. Cheers, Hiren
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