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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-07 09:03:39 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-07 09:03:39 -0700
commit61906313bd41cde2f9aaa14e461e6108d3e71aaa (patch)
treec84805a9c67e3baf9e5acf13a3f55f7058a9131f /tools/perf/builtin-report.c
parent3aa2ae74ba630ec9b98736d64aea8e4cb490861d (diff)
parentd48b97b403d23f6df0b990cee652bdf9a52337a3 (diff)
downloadlinux-stable-61906313bd41cde2f9aaa14e461e6108d3e71aaa.tar.gz
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Merge 3.4-rc6 into usb-next
This resolves the conflict with: drivers/usb/host/ehci-tegra.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/builtin-report.c')
-rw-r--r--tools/perf/builtin-report.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 2e317438980b..cdae9b2db1cc 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -374,16 +374,23 @@ static int __cmd_report(struct perf_report *rep)
(kernel_map->dso->hit &&
(kernel_kmap->ref_reloc_sym == NULL ||
kernel_kmap->ref_reloc_sym->addr == 0))) {
- const struct dso *kdso = kernel_map->dso;
+ const char *desc =
+ "As no suitable kallsyms nor vmlinux was found, kernel samples\n"
+ "can't be resolved.";
+
+ if (kernel_map) {
+ const struct dso *kdso = kernel_map->dso;
+ if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) {
+ desc = "If some relocation was applied (e.g. "
+ "kexec) symbols may be misresolved.";
+ }
+ }
ui__warning(
"Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n"
"Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n"
"Samples in kernel modules can't be resolved as well.\n\n",
- RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION]) ?
-"As no suitable kallsyms nor vmlinux was found, kernel samples\n"
-"can't be resolved." :
-"If some relocation was applied (e.g. kexec) symbols may be misresolved.");
+ desc);
}
if (dump_trace) {