Messages in this thread | | | Date | Thu, 20 Oct 2016 11:07:52 +0900 | From | Masami Hiramatsu <> | Subject | Re: [PATCH 1/5] ftrace: Support full glob matching |
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On Wed, 19 Oct 2016 09:20:57 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:
> 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.
This patch is completely same as the last patch. If you already queued it, please ignore this [1/5].
And OK, what kind of tests are failed on 4.9-rc1? I though a possible kernel freeze in 4.8 when I ran ftracetest, but it seemed disappeared in 4.9-rc1.
Thanks,
-- Masami Hiramatsu <mhiramat@kernel.org>
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