diff options
Diffstat (limited to 'tools/perf/util/event.c')
| -rw-r--r-- | tools/perf/util/event.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index f581550a3015..dde2f0147713 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -31,6 +31,7 @@ #include "stat.h" #include "session.h" #include "bpf-event.h" +#include "print_binary.h" #include "tool.h" #include "../perf.h" @@ -55,6 +56,7 @@ static const char *perf_event__names[] = { [PERF_RECORD_KSYMBOL] = "KSYMBOL", [PERF_RECORD_BPF_EVENT] = "BPF_EVENT", [PERF_RECORD_CGROUP] = "CGROUP", + [PERF_RECORD_TEXT_POKE] = "TEXT_POKE", [PERF_RECORD_HEADER_ATTR] = "ATTR", [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", @@ -267,6 +269,14 @@ int perf_event__process_bpf(struct perf_tool *tool __maybe_unused, return machine__process_bpf(machine, event, sample); } +int perf_event__process_text_poke(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine) +{ + return machine__process_text_poke(machine, event, sample); +} + size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) { return fprintf(fp, " %d/%d: [%#" PRI_lx64 "(%#" PRI_lx64 ") @ %#" PRI_lx64 "]: %c %s\n", @@ -413,6 +423,40 @@ size_t perf_event__fprintf_bpf(union perf_event *event, FILE *fp) event->bpf.type, event->bpf.flags, event->bpf.id); } +static int text_poke_printer(enum binary_printer_ops op, unsigned int val, + void *extra, FILE *fp) +{ + bool old = *(bool *)extra; + + switch ((int)op) { + case BINARY_PRINT_LINE_BEGIN: + return fprintf(fp, " %s bytes:", old ? "Old" : "New"); + case BINARY_PRINT_NUM_DATA: + return fprintf(fp, " %02x", val); + case BINARY_PRINT_LINE_END: + return fprintf(fp, "\n"); + default: + return 0; + } +} + +size_t perf_event__fprintf_text_poke(union perf_event *event, FILE *fp) +{ + struct perf_record_text_poke_event *tp = &event->text_poke; + size_t ret; + bool old; + + ret = fprintf(fp, " %" PRI_lx64 " old len %u new len %u\n", + tp->addr, tp->old_len, tp->new_len); + old = true; + ret += binary__fprintf(tp->bytes, tp->old_len, 16, text_poke_printer, + &old, fp); + old = false; + ret += binary__fprintf(tp->bytes + tp->old_len, tp->new_len, 16, + text_poke_printer, &old, fp); + return ret; +} + size_t perf_event__fprintf(union perf_event *event, FILE *fp) { size_t ret = fprintf(fp, "PERF_RECORD_%s", @@ -457,6 +501,9 @@ size_t perf_event__fprintf(union perf_event *event, FILE *fp) case PERF_RECORD_BPF_EVENT: ret += perf_event__fprintf_bpf(event, fp); break; + case PERF_RECORD_TEXT_POKE: + ret += perf_event__fprintf_text_poke(event, fp); + break; default: ret += fprintf(fp, "\n"); } |