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perf tools: Make sure kptr_restrict warnings fit 80 col terms

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Suggested-by: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Link: http://lkml.kernel.org/n/tip-i1p8vrhq7xveyui6t1sc914e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-05-27 11:00:41 -03:00
parent d6a72fe465
commit 646aaea615
2 changed files with 15 additions and 21 deletions
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19
tools/perf/builtin-record.c
View File

@ -824,17 +824,14 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
symbol__init();
if (symbol_conf.kptr_restrict)
pr_warning("WARNING: Kernel address maps "
"(/proc/{kallsyms,modules}) are restricted, "
"check /proc/sys/kernel/kptr_restrict.\n\n"
"Samples in kernel functions may not be resolved "
"if a suitable vmlinux file is not found in the "
"buildid cache or in the vmlinux path.\n\n"
"Samples in kernel modules won't be resolved "
"at all.\n\n"
"If some relocation was applied (e.g. kexec) "
"symbols may be misresolved even with a suitable "
"vmlinux or kallsyms file.\n\n");
pr_warning(
"WARNING: Kernel address maps (/proc/{kallsyms,modules}) are restricted,\n"
"check /proc/sys/kernel/kptr_restrict.\n\n"
"Samples in kernel functions may not be resolved if a suitable vmlinux\n"
"file is not found in the buildid cache or in the vmlinux path.\n\n"
"Samples in kernel modules won't be resolved at all.\n\n"
"If some relocation was applied (e.g. kexec) symbols may be misresolved\n"
"even with a suitable vmlinux or kallsyms file.\n\n");
if (no_buildid_cache || no_buildid)
disable_buildid_cache();

17
tools/perf/builtin-report.c
View File

@ -281,17 +281,14 @@ static int __cmd_report(void)
kernel_kmap->ref_reloc_sym->addr == 0))) {
const struct dso *kdso = kernel_map->dso;
ui__warning("Kernel address maps "
"(/proc/{kallsyms,modules}) were restricted, "
"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",
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 can't be resolved." :
"If some relocation was applied (e.g. kexec) "
"symbols may be misresolved.");
"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.");
}
if (dump_trace) {