Commit 317fa41b authored by Namhyung Kim's avatar Namhyung Kim
Browse files

perf trace: Show zero value in STRARRAY 



The STRARRAY macro is to print values in a pre-defined array.  But
sometimes it hides the value because it's 0.  The value of 0 can have a
meaning in this case so set 'show_zero' field.

For example, it can show CREATE_MAP cmd in the bpf syscall.

Acked-by: default avatarHoward Chu <howardchu95@gmail.com>
Link: https://lore.kernel.org/r/20250502204056.973977-1-namhyung@kernel.org


Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent c21986d3

tools/perf/builtin-trace.c

+4 −2
Original line number Diff line number Diff line
@@ -1124,12 +1124,14 @@ static bool syscall_arg__strtoul_btf_type(char *bf __maybe_unused, size_t size _ 
#define STRARRAY(name, array) \

	  { .scnprintf	= SCA_STRARRAY, \

	    .strtoul	= STUL_STRARRAY, \

	    .parm	= &strarray__##array, }

	    .parm	= &strarray__##array, \

	    .show_zero	= true, }



#define STRARRAY_FLAGS(name, array) \

	  { .scnprintf	= SCA_STRARRAY_FLAGS, \

	    .strtoul	= STUL_STRARRAY_FLAGS, \

	    .parm	= &strarray__##array, }

	    .parm	= &strarray__##array, \

	    .show_zero	= true, }



#include "trace/beauty/eventfd.c"

#include "trace/beauty/futex_op.c"