diff options
| -rw-r--r-- | tools/perf/builtin-record.c | 19 | ||||
| -rw-r--r-- | 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 2ca107f3efdf..8e2c85798185 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) | |||
| 824 | symbol__init(); | 824 | symbol__init(); |
| 825 | 825 | ||
| 826 | if (symbol_conf.kptr_restrict) | 826 | if (symbol_conf.kptr_restrict) |
| 827 | pr_warning("WARNING: Kernel address maps " | 827 | pr_warning( |
| 828 | "(/proc/{kallsyms,modules}) are restricted, " | 828 | "WARNING: Kernel address maps (/proc/{kallsyms,modules}) are restricted,\n" |
| 829 | "check /proc/sys/kernel/kptr_restrict.\n\n" | 829 | "check /proc/sys/kernel/kptr_restrict.\n\n" |
| 830 | "Samples in kernel functions may not be resolved " | 830 | "Samples in kernel functions may not be resolved if a suitable vmlinux\n" |
| 831 | "if a suitable vmlinux file is not found in the " | 831 | "file is not found in the buildid cache or in the vmlinux path.\n\n" |
| 832 | "buildid cache or in the vmlinux path.\n\n" | 832 | "Samples in kernel modules won't be resolved at all.\n\n" |
| 833 | "Samples in kernel modules won't be resolved " | 833 | "If some relocation was applied (e.g. kexec) symbols may be misresolved\n" |
| 834 | "at all.\n\n" | 834 | "even with a suitable vmlinux or kallsyms file.\n\n"); |
| 835 | "If some relocation was applied (e.g. kexec) " | ||
| 836 | "symbols may be misresolved even with a suitable " | ||
| 837 | "vmlinux or kallsyms file.\n\n"); | ||
| 838 | 835 | ||
| 839 | if (no_buildid_cache || no_buildid) | 836 | if (no_buildid_cache || no_buildid) |
| 840 | disable_buildid_cache(); | 837 | disable_buildid_cache(); |
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 99156c35bc62..287a173523a7 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c | |||
| @@ -281,17 +281,14 @@ static int __cmd_report(void) | |||
| 281 | kernel_kmap->ref_reloc_sym->addr == 0))) { | 281 | kernel_kmap->ref_reloc_sym->addr == 0))) { |
| 282 | const struct dso *kdso = kernel_map->dso; | 282 | const struct dso *kdso = kernel_map->dso; |
| 283 | 283 | ||
| 284 | ui__warning("Kernel address maps " | 284 | ui__warning( |
| 285 | "(/proc/{kallsyms,modules}) were restricted, " | 285 | "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" |
| 286 | "check /proc/sys/kernel/kptr_restrict before " | 286 | "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" |
| 287 | "running 'perf record'.\n\n%s\n\n" | 287 | "Samples in kernel modules can't be resolved as well.\n\n", |
| 288 | "Samples in kernel modules can't be resolved " | ||
| 289 | "as well.\n\n", | ||
| 290 | RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION]) ? | 288 | RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION]) ? |
| 291 | "As no suitable kallsyms nor vmlinux was found, " | 289 | "As no suitable kallsyms nor vmlinux was found, kernel samples\n" |
| 292 | "kernel samples can't be resolved." : | 290 | "can't be resolved." : |
| 293 | "If some relocation was applied (e.g. kexec) " | 291 | "If some relocation was applied (e.g. kexec) symbols may be misresolved."); |
| 294 | "symbols may be misresolved."); | ||
| 295 | } | 292 | } |
| 296 | 293 | ||
| 297 | if (dump_trace) { | 294 | if (dump_trace) { |
