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perf probe: Support vmlinux on cwd by default

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Support vmlinux on current working direcotry by default and
also update file-open messages.
Now perf probe searches ./vmlinux too.

Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Jim Keniston <[email protected]>
Cc: Ananth N Mavinakayanahalli <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Frank Ch. Eigler <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jason Baron <[email protected]>
Cc: K.Prasad <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Srikar Dronamraju <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: systemtap <[email protected]>
Cc: DLE <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Masami Hiramatsu 2009-12-08 17:03:09 -05:00 • committed by Ingo Molnar
commit f984f03da3
1 changed files with 6 additions and 4 deletions
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10
tools/perf/builtin-probe.c
View file

@ -43,11 +43,12 @@
#include "util/probe-event.h"
/* Default vmlinux search paths */
#define NR_SEARCH_PATH 3
#define NR_SEARCH_PATH 4
const char *default_search_path[NR_SEARCH_PATH] = {
"/lib/modules/%s/build/vmlinux", /* Custom build kernel */
"/usr/lib/debug/lib/modules/%s/vmlinux", /* Red Hat debuginfo */
"/boot/vmlinux-debug-%s", /* Ubuntu */
"./vmlinux", /* CWD */
};
#define MAX_PATH_LEN 256
@ -205,13 +206,14 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
#else /* !NO_LIBDWARF */
pr_debug("Some probes require debuginfo.\n");
if (session.vmlinux)
if (session.vmlinux) {
pr_debug("Try to open %s.", session.vmlinux);
fd = open(session.vmlinux, O_RDONLY);
else
} else
fd = open_default_vmlinux();
if (fd < 0) {
if (session.need_dwarf)
die("Could not open vmlinux/module file.");
die("Could not open debuginfo file.");
pr_debug("Could not open vmlinux/module file."
" Try to use symbols.\n");