[PATCH 1/5] perf tools: Make sure kptr_restrict warnings fit 80 col terms

From: Arnaldo Carvalho de Melo
Date: Fri May 27 2011 - 17:46:01 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

Suggested-by: Ingo Molnar <mingo@xxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Tom Zanussi <tzanussi@xxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-i1p8vrhq7xveyui6t1sc914e@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-record.c | 19 ++++++++-----------
tools/perf/builtin-report.c | 17 +++++++----------
2 files changed, 15 insertions(+), 21 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 2ca107f..8e2c857 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -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();
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 99156c3..287a173 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -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) {
--
1.6.2.5

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