diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/Build | 1 | ||||
-rw-r--r-- | tools/perf/util/topdown.c | 53 | ||||
-rw-r--r-- | tools/perf/util/topdown.h (renamed from tools/perf/util/group.h) | 6 |
3 files changed, 58 insertions, 2 deletions
diff --git a/tools/perf/util/Build b/tools/perf/util/Build index cd5e41960e64..eebbd5223cae 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -101,6 +101,7 @@ perf-y += call-path.o perf-y += rwsem.o perf-y += thread-stack.o perf-y += spark.o +perf-y += topdown.o perf-$(CONFIG_AUXTRACE) += auxtrace.o perf-$(CONFIG_AUXTRACE) += intel-pt-decoder/ perf-$(CONFIG_AUXTRACE) += intel-pt.o diff --git a/tools/perf/util/topdown.c b/tools/perf/util/topdown.c new file mode 100644 index 000000000000..a085b3c77c27 --- /dev/null +++ b/tools/perf/util/topdown.c @@ -0,0 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdio.h> +#include "pmu.h" +#include "topdown.h" + +int topdown_filter_events(const char **attr, char **str, bool use_group) +{ + int off = 0; + int i; + int len = 0; + char *s; + + for (i = 0; attr[i]; i++) { + if (pmu_have_event("cpu", attr[i])) { + len += strlen(attr[i]) + 1; + attr[i - off] = attr[i]; + } else + off++; + } + attr[i - off] = NULL; + + *str = malloc(len + 1 + 2); + if (!*str) + return -1; + s = *str; + if (i - off == 0) { + *s = 0; + return 0; + } + if (use_group) + *s++ = '{'; + for (i = 0; attr[i]; i++) { + strcpy(s, attr[i]); + s += strlen(s); + *s++ = ','; + } + if (use_group) { + s[-1] = '}'; + *s = 0; + } else + s[-1] = 0; + return 0; +} + +__weak bool arch_topdown_check_group(bool *warn) +{ + *warn = false; + return false; +} + +__weak void arch_topdown_group_warn(void) +{ +} diff --git a/tools/perf/util/group.h b/tools/perf/util/topdown.h index f36c7e31780a..e3d70e95f4f1 100644 --- a/tools/perf/util/group.h +++ b/tools/perf/util/topdown.h @@ -1,8 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0 */ -#ifndef GROUP_H -#define GROUP_H 1 +#ifndef TOPDOWN_H +#define TOPDOWN_H 1 bool arch_topdown_check_group(bool *warn); void arch_topdown_group_warn(void); +int topdown_filter_events(const char **attr, char **str, bool use_group); + #endif |