diff options
| author | Masami Hiramatsu <mhiramat@redhat.com> | 2009-12-15 10:31:35 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-15 20:22:01 +0100 |
| commit | 411edfe5c1ef02a62ec3be56d3e234dbed71ba20 (patch) | |
| tree | d18c74915fad63f8e5fbbb300ae6e596fcb677b1 /tools/perf | |
| parent | ce11a603ae40e0ad32aeb378cff81e3fdaec390d (diff) | |
| download | op-kernel-dev-411edfe5c1ef02a62ec3be56d3e234dbed71ba20.zip op-kernel-dev-411edfe5c1ef02a62ec3be56d3e234dbed71ba20.tar.gz | |
perf probe: Show need-dwarf message only if it is really needed
Show need-dwarf message only if the probe is really requires
debuginfo analysis. This also use pr_debug for debugging message
instead of pr_warning.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091215153135.17436.99052.stgit@dhcp-100-2-132.bos.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/builtin-probe.c | 18 | ||||
| -rw-r--r-- | tools/perf/util/probe-finder.c | 4 |
2 files changed, 12 insertions, 10 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 919037b..438a7bb 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -261,15 +261,19 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) lseek(fd, SEEK_SET, 0); ret = find_probepoint(fd, pp); - if (ret < 0) { - if (session.need_dwarf) - die("Could not analyze debuginfo."); - - pr_warning("An error occurred in debuginfo analysis. Try to use symbols.\n"); - break; - } + if (ret > 0) + continue; if (ret == 0) /* No error but failed to find probe point. */ die("No probe point found."); + /* Error path */ + if (session.need_dwarf) { + if (ret == -ENOENT) + pr_warning("No dwarf info found in the vmlinux - please rebuild with CONFIG_DEBUG_INFO=y.\n"); + die("Could not analyze debuginfo."); + } + pr_debug("An error occurred in debuginfo analysis." + " Try to use symbols.\n"); + break; } close(fd); diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 4585f1d..4b852c0 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -687,10 +687,8 @@ int find_probepoint(int fd, struct probe_point *pp) struct probe_finder pf = {.pp = pp}; ret = dwarf_init(fd, DW_DLC_READ, 0, 0, &__dw_debug, &__dw_error); - if (ret != DW_DLV_OK) { - pr_warning("No dwarf info found in the vmlinux - please rebuild with CONFIG_DEBUG_INFO.\n"); + if (ret != DW_DLV_OK) return -ENOENT; - } pp->found = 0; while (++cu_number) { |
