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The printk format specifiers used in event's print format files extend the standard printf formats. There are a lot of new options related to printing pointers and kernel specific structures. Currently trace-cmd does not support many of them. Support for these new printk specifiers is added to the pretty_print() function: - UUID/GUID address: %pU[bBlL] - Raw buffer as a hex string: %*ph[CDN] These are improved: - MAC address: %pMF, %pM and %pmR - IPv4 adderss: %p[Ii]4[hnbl] Function pretty_print() is refactored. The logic for printing pointers %p[...] is moved to its own function. Link: https://lore.kernel.org/linux-trace-devel/20200515053754.3695335-1-tz.stoyanov@gmail.com Link: http://lore.kernel.org/linux-trace-devel/20200625100516.365338-7-tz.stoyanov@gmail.com Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=207605 Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linux-trace-devel@vger.kernel.org Link: http://lore.kernel.org/lkml/20200702185704.401148804@goodmis.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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.. | ||
api | ||
bpf | ||
lockdep | ||
perf | ||
subcmd | ||
symbol | ||
traceevent | ||
argv_split.c | ||
bitmap.c | ||
ctype.c | ||
find_bit.c | ||
hweight.c | ||
rbtree.c | ||
str_error_r.c | ||
string.c | ||
vsprintf.c | ||
zalloc.c |