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perf/probes: Improve error messages

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Improve error messages in perf-probe so that users can figure
out problems easily.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.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>
LKML-Reference: <20091104001221.3454.52030.stgit@harusame>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Masami Hiramatsu
2009-11-03 19:12:21 -05:00
committed by Ingo Molnar
parent c43f9d1e61
commit a7f4328b91
2 changed files with 14 additions and 8 deletions
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2
tools/perf/util/probe-finder.c
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@@ -688,7 +688,7 @@ int find_probepoint(int fd, struct probe_point *pp)
ret = dwarf_init(fd, DW_DLC_READ, 0, 0, &__dw_debug, &__dw_error);
if (ret != DW_DLV_OK)
die("Failed to call dwarf_init(). Maybe, not a dwarf file.\n");
die("No dwarf info found in the vmlinux - please rebuild with CONFIG_DEBUG_INFO.\n");
pp->found = 0;
while (++cu_number) {