On Tue, Mar 06, 2018 at 11:17:07AM -0300, Arnaldo Carvalho de Melo wrote: > Em Tue, Mar 06, 2018 at 08:53:02AM +0100, Jiri Olsa escreveu: > > On Tue, Mar 06, 2018 at 11:37:35AM +0800, changbin...@intel.com wrote: > > > From: Changbin Du <changbin...@intel.com> > > > > > > v2: > > > o add a patch to move thread::shortname to thread_runtime > > > o add function perf_sched__process_comm() to process PERF_RECORD_COMM > > > event. > > > > > > Changbin Du (2): > > > perf sched: move thread::shortname to thread_runtime > > > perf sched map: re-annotate shortname if thread comm changed > > > > Acked-by: Jiri Olsa <jo...@kernel.org> > > Thanks, applied both, the final layout for 'struct thread_runtime': > > [root@jouet perf]# pahole -C thread_runtime ~/bin/perf > struct thread_runtime { > u64 last_time; /* 0 8 */ > u64 dt_run; /* 8 8 */ > u64 dt_sleep; /* 16 8 */ > u64 dt_iowait; /* 24 8 */ > u64 dt_preempt; /* 32 8 */ > u64 dt_delay; /* 40 8 */ > u64 ready_to_run; /* 48 8 */ > struct stats run_stats; /* 56 40 */ > /* --- cacheline 1 boundary (64 bytes) was 32 bytes ago --- */ > u64 total_run_time; /* 96 8 */ > u64 total_sleep_time; /* 104 8 */ > u64 total_iowait_time; /* 112 8 */ > u64 total_preempt_time; /* 120 8 */ > /* --- cacheline 2 boundary (128 bytes) --- */ > u64 total_delay_time; /* 128 8 */ > int last_state; /* 136 4 */ > char shortname[3]; /* 140 3 */ > _Bool comm_changed; /* 143 1 */ > u64 migrations; /* 144 8 */ > > /* size: 152, cachelines: 3, members: 17 */ > /* last cacheline: 24 bytes */ > }; > [root@jouet perf]#
Hi Arnaldo, thanks for your patient optimization for this! -- Thanks, Changbin Du