diff options
author | Hiago De Franco <hiago.franco@toradex.com> | 2025-06-02 15:00:56 -0300 |
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committer | Hiago De Franco <hiago.franco@toradex.com> | 2025-06-03 10:26:20 -0300 |
commit | defb81960f4fcb580b75bbc207e5440dad4376d6 (patch) | |
tree | da4539935a24104d027d92a8f9afd519f2ee625a /kernel/trace/trace_events_synth.c | |
parent | 5a6602cc6c3204b24470b2429e658c25638b10a9 (diff) | |
parent | 1b69a86802c7e77a7624fe4970ca7d382a785b8f (diff) |
Merge branch '5.15-2.2.x-imx' into toradex_5.15-2.2.x-imxtoradex_5.15-2.2.x-imx
Conflicts:
drivers/tty/serial/fsl_lpuart.c
Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
Diffstat (limited to 'kernel/trace/trace_events_synth.c')
-rw-r--r-- | kernel/trace/trace_events_synth.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c index 43da364737a0..ab54810bd8d9 100644 --- a/kernel/trace/trace_events_synth.c +++ b/kernel/trace/trace_events_synth.c @@ -293,7 +293,7 @@ static const char *synth_field_fmt(char *type) else if (strcmp(type, "gfp_t") == 0) fmt = "%x"; else if (synth_field_is_string(type)) - fmt = "%.*s"; + fmt = "%s"; else if (synth_field_is_stack(type)) fmt = "%s"; @@ -856,6 +856,39 @@ static struct trace_event_fields synth_event_fields_array[] = { {} }; +static int synth_event_reg(struct trace_event_call *call, + enum trace_reg type, void *data) +{ + struct synth_event *event = container_of(call, struct synth_event, call); + int ret; + + switch (type) { +#ifdef CONFIG_PERF_EVENTS + case TRACE_REG_PERF_REGISTER: +#endif + case TRACE_REG_REGISTER: + if (!try_module_get(event->mod)) + return -EBUSY; + break; + default: + break; + } + + ret = trace_event_reg(call, type, data); + + switch (type) { +#ifdef CONFIG_PERF_EVENTS + case TRACE_REG_PERF_UNREGISTER: +#endif + case TRACE_REG_UNREGISTER: + module_put(event->mod); + break; + default: + break; + } + return ret; +} + static int register_synth_event(struct synth_event *event) { struct trace_event_call *call = &event->call; @@ -885,7 +918,7 @@ static int register_synth_event(struct synth_event *event) goto out; } call->flags = TRACE_EVENT_FL_TRACEPOINT; - call->class->reg = trace_event_reg; + call->class->reg = synth_event_reg; call->class->probe = trace_event_raw_event_synth; call->data = event; call->tp = event->tp; |