diff options
Diffstat (limited to 'tools/perf/util/machine.c')
| -rw-r--r-- | tools/perf/util/machine.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 4e29e80932e5..9e02c86f39f5 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -1149,9 +1149,29 @@ static int machine__process_kernel_mmap_event(struct machine *machine, struct dso *dso; list_for_each_entry(dso, &machine->dsos.head, node) { - if (!dso->kernel || is_kernel_module(dso->long_name)) + + /* + * The cpumode passed to is_kernel_module is not the + * cpumode of *this* event. If we insist on passing + * correct cpumode to is_kernel_module, we should + * record the cpumode when we adding this dso to the + * linked list. + * + * However we don't really need passing correct + * cpumode. We know the correct cpumode must be kernel + * mode (if not, we should not link it onto kernel_dsos + * list). + * + * Therefore, we pass PERF_RECORD_MISC_CPUMODE_UNKNOWN. + * is_kernel_module() treats it as a kernel cpumode. + */ + + if (!dso->kernel || + is_kernel_module(dso->long_name, + PERF_RECORD_MISC_CPUMODE_UNKNOWN)) continue; + kernel = dso; break; } |