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
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?
What am I missing?
Best Regards
Rainer
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