Messages in this thread | | | Date | Wed, 19 Oct 2016 09:20:57 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH 1/5] ftrace: Support full glob matching |
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On Wed, 19 Oct 2016 13:53:36 +0900 Masami Hiramatsu <mhiramat@kernel.org> wrote:
> Use glob_match() to support flexible glob wildcards (*,?) > and character classes ([) for ftrace. > Since the full glob matching is slower than the current > partial matching routines(*pat, pat*, *pat*), this leaves > those routines and just add MATCH_GLOB for complex glob > expression. > > e.g. > ---- > [root@localhost tracing]# echo 'sched*group' > set_ftrace_filter > [root@localhost tracing]# cat set_ftrace_filter > sched_free_group > sched_change_group > sched_create_group > sched_online_group > sched_destroy_group > sched_offline_group > [root@localhost tracing]# echo '[Ss]y[Ss]_*' > set_ftrace_filter > [root@localhost tracing]# head set_ftrace_filter > sys_arch_prctl > sys_rt_sigreturn > sys_ioperm > SyS_iopl > sys_modify_ldt > SyS_mmap > SyS_set_thread_area > SyS_get_thread_area > SyS_set_tid_address > sys_fork > ----
Hi Masami,
Is this any different than your last patch, as I already pulled it into my queue. I haven't been able to test it much, as I found that 4.9-rc1 is failing my tests, and I can't add new code to linux-next till 4.9 is stable.
-- Steve
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