diff options
Diffstat (limited to 'tools/perf/builtin-report.c')
| -rw-r--r-- | tools/perf/builtin-report.c | 17 |
1 files changed, 7 insertions, 10 deletions
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) { |