diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
-rw-r--r-- | tools/perf/builtin-trace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 8ea62fd2591d..6d9805a8791b 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -41,6 +41,7 @@ #include "util/intlist.h" #include "util/thread_map.h" #include "util/stat.h" +#include "util/util.h" #include "trace/beauty/beauty.h" #include "trace-event.h" #include "util/parse-events.h" @@ -1382,7 +1383,7 @@ static char *trace__machine__resolve_kernel_addr(void *vmachine, unsigned long l if (symbol_conf.kptr_restrict) { pr_warning("Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n" - "Check /proc/sys/kernel/kptr_restrict.\n\n" + "Check /proc/sys/kernel/kptr_restrict and /proc/sys/kernel/perf_event_paranoid.\n\n" "Kernel samples will not be resolved.\n"); machine->kptr_restrict_warned = true; return NULL; |