On Fri, Jun 24, 2016 at 08:43:56PM +0800, pi3orama wrote: > > > 发自我的 iPhone > > > 在 2016年6月24日，下午8:41，Arnaldo Carvalho de Melo <[email protected]> 写道： > > > > Em Fri, Jun 24, 2016 at 02:29:07PM +0200, Jiri Olsa escreveu: > >> On Fri, Jun 24, 2016 at 11:22:05AM +0000, Wang Nan wrote: > >>> After converting perf.data to CTF, we lost pid-tid-comm mapping. Which > >>> makes inconvience. For example, in perf script output we know which > >>> process issue an event like this: > >>> > >>> compiz 19361 [001] 3275709.313929: raw_syscalls:sys_exit: NR 7 = 0 > >>> > >>> After converting to CTF, we only get this: > >>> > >>> [3275709.313929985] (+0.110646118) raw_syscalls:sys_exit: { cpu_id = 1 > >>> }, { perf_ip = 0xFFFFFFFF8107B2E8, perf_tid = 19361, perf_pid = 19361, > >>> perf_id = 18920, perf_period = 1, common_type = 16, common_flags = 0, > >>> common_preempt_count = 1, common_pid = 19361, id = 7, ret = 0 } > >>> > >>> Currently, if we want to find the name and parent of a process, we > >>> have to collect 'sched:sched_switch' event. > >>> > >>> This patch set adds a '--all' option to 'perf convert', converts comm, > >>> fork and exit events to CTF output. CTF user now can track the mapping > >>> by their own. > >>> > >>> v1 -> v2: Report number of sample and non-sample events when finish. > >>> rename opts.non_sample to opts.all. > >>> > >>> Wang Nan (7): > >>> perf ctf: Add value_set_string() helper > >>> perf ctf: Pass convert options through opts structure > >>> perf ctf: Add 'all' option > >>> perf ctf: Prepare collect non-sample events > >>> perf ctf: Generate comm event to CTF output > >>> perf ctf: Add '--all' option for 'perf data convert' > >>> perf ctf: Generate fork and exit events to CTF output > >> > >> I can't compile unless I can include config.h > > > > Waiting for this fix to proceed, but it seems we don't have this covered > > in 'build-test', right? ;-) > > > > CTF support is off by default. When can we > turn it on like other options?
we switched it off because the latest version we needed wasn't part of main distros.. it might have changed now jirka
