From: Andy Isaacson Date: Sat, 12 Jun 2010 02:44:04 +0000 (-0700) Subject: perf debug: fix hex dump partial final line X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=84c104ad429c8a474b93dd374815d1c238032fa8;p=mv-sheeva.git perf debug: fix hex dump partial final line The loop counter math in trace_event was much more complicated than necessary, resulting in incorrectly decoding the human-readable portion of the partial last line of hexdump in "perf trace -D" output: . 0020: 00 00 00 00 00 00 00 00 2f 73 62 69 6e 2f 69 6e ......../sbin/i . 0030: 69 74 00 00 00 00 00 00 /sbin/i With this fixed (and simpler!) code, we get the correct output: . 0020: 00 00 00 00 00 00 00 00 2f 73 62 69 6e 2f 69 6e ......../sbin/in . 0030: 69 74 00 00 00 00 00 00 it...... Cc: Ingo Molnar LPU-Reference: <20100612024404.GA24469@hexapodia.org> Signed-off-by: Andy Isaacson Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index 6cddff2bc97..318dab15d17 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -86,12 +86,10 @@ void trace_event(event_t *event) dump_printf_color(" ", color); for (j = 0; j < 15-(i & 15); j++) dump_printf_color(" ", color); - for (j = 0; j < (i & 15); j++) { - if (isprint(raw_event[i-15+j])) - dump_printf_color("%c", color, - raw_event[i-15+j]); - else - dump_printf_color(".", color); + for (j = i & ~15; j <= i; j++) { + dump_printf_color("%c", color, + isprint(raw_event[j]) ? + raw_event[j] : '.'); } dump_printf_color("\n", color); }