perf annotate browser: Compact 'nop' output
Commit-ID: b9818e93759c30c8942391f4f5fadaa36659ee33 Gitweb: http://git.kernel.org/tip/b9818e93759c30c8942391f4f5fadaa36659ee33 Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Mon, 7 May 2012 18:57:02 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Mon, 7 May 2012 19:00:42 -0300
perf annotate browser: Compact 'nop' output
Just suppress the nop operands, future infrastructure that will record the instruction lenght (and its contents) in struct ins will allow rendering them as nopN, i.e. nop5 for a 5-byte nop.
Suggested-by Linus Torvalds <[email protected]>
Cc David Ahern <[email protected]>
Cc Frederic Weisbecker <[email protected]>
Cc Mike Galbraith <[email protected]>
Cc Namhyung Kim <[email protected]>
Cc Paul Mackerras <[email protected]>
Cc Peter Zijlstra <[email protected]>
Cc Stephane Eranian <[email protected]>
Signed-off-by Arnaldo Carvalho de Melo <[email protected]>
--- tools/perf/util/annotate.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-)
tools/perf/util/annotate.c +13 -0
@@ -113,6 +113,16 @@ bool ins__is_jump(const struct ins *ins)return ins->ops == &jump_ops; } +static int nop__scnprintf (struct ins *ins__used ,char *bf,size_t size, +struct ins_operands *ops__used ) +{ +return scnprintf (bf, size,"%-6.6s" ,"nop" ); +} + +static struct ins_ops nop_ops = { + .scnprintf = nop__scnprintf, +}; +/* * Must be sorted by name! */
@@ -154,6 +164,9 @@ static struct ins instructions[] = { { .name = "jrcxz", .ops = &jump_ops, }, { .name = "js", .ops = &jump_ops, }, { .name = "jz", .ops = &jump_ops, }, + { .name = "nop", .ops = &nop_ops, }, + { .name = "nopl", .ops = &nop_ops, }, + { .name = "nopw", .ops = &nop_ops, }, }; static int ins__cmp(const void *name, const void *insp)