Messages in this thread | | | From | Namhyung Kim <> | Subject | Re: [PATCH v4 2/3] Support for perf to probe into SDT markers: | Date | Tue, 29 Oct 2013 14:31:11 +0900 |
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Hi Masami,
On Tue, 29 Oct 2013 12:19:37 +0900, Masami Hiramatsu wrote: > (2013/10/29 2:48), Pekka Enberg wrote: >> For the 32-bit and 64-bit libc case, why cannot 'perf list' >> by default print out something like: >> >> $ perf list >> >> libc:setjmp [SDT marker group] >> >> and provide a '--fully-qualified' command line option that: >> >> $ perf list --fully-qualified >> >> libc:setjmp => libc32:setjmp, libc64:setjmp [SDT marker group] >> libc32:setjmp => libc:setjmp@/lib/libc.so.6 [SDT marker] >> libc64:setjmp => libc:setjmp@/lib64/libc.so.6 [SDT marker] >> >> and then teach 'perf trace' to deal with SDT marker groups >> where you trace two events, not one? > > Ah, that's a good idea. :) > And it also is needed for another probe event because > sometimes inlined functions have multiple instances. > I'd like to fold them as one event group.
Yes, I'd love to see it as well. :)
Thanks, Namhyung
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