From: Nick Alcock Date: Mon, 22 Jul 2013 23:43:23 +0000 (+0100) Subject: Boost ustackframes_default. X-Git-Tag: v4.1.12-111.0.20170907_2225~3^2~3^2~144 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=043fc8539877a3c2414a75ea31d212216c3e69b4;p=users%2Fjedix%2Flinux-maple.git Boost ustackframes_default. The incidence of false positives in ustack scanning is quite high, so a substantial number of frames are needed for quite short actual call stacks in userspace. So boost the default to 100 for now. Signed-off-by: Nick Alcock --- diff --git a/dtrace/dtrace_state.c b/dtrace/dtrace_state.c index 11b83cd16997..f79008ed4efa 100644 --- a/dtrace/dtrace_state.c +++ b/dtrace/dtrace_state.c @@ -42,7 +42,7 @@ dtrace_optval_t dtrace_specsize_default = 32 * 1024; dtrace_optval_t dtrace_dstate_defsize = 1 * 1024 * 1024; size_t dtrace_strsize_default = 256; dtrace_optval_t dtrace_stackframes_default = 20; -dtrace_optval_t dtrace_ustackframes_default = 20; +dtrace_optval_t dtrace_ustackframes_default = 100; dtrace_optval_t dtrace_cleanrate_default = 9900990; dtrace_optval_t dtrace_cleanrate_min = 20000; dtrace_optval_t dtrace_cleanrate_max = (uint64_t)60 * NANOSEC;