Messages in this thread Patch in this message | | | From | Masami Hiramatsu <> | Subject | [PATCH -tip 01/13] [CLEANUP]tracing/kprobes: Rename probe_* to trace_probe_* | Date | Mon, 27 Jun 2011 16:26:36 +0900 |
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Rename probe_* to trace_probe_* for avoiding namespace confliction. This also fixes improper names of find_probe_event() and cleanup_all_probes() to find_trace_probe() and release_all_trace_probes() respectively.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> ---
kernel/trace/trace_kprobe.c | 43 ++++++++++++++++++++++--------------------- 1 files changed, 22 insertions(+), 21 deletions(-)
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 27d13b3..bad87e9 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -555,12 +555,12 @@ struct trace_probe { (sizeof(struct probe_arg) * (n))) -static __kprobes int probe_is_return(struct trace_probe *tp) +static __kprobes int trace_probe_is_return(struct trace_probe *tp) { return tp->rp.handler != NULL; } -static __kprobes const char *probe_symbol(struct trace_probe *tp) +static __kprobes const char *trace_probe_symbol(struct trace_probe *tp) { return tp->symbol ? tp->symbol : "unknown"; } @@ -671,7 +671,7 @@ static void free_trace_probe(struct trace_probe *tp) kfree(tp); } -static struct trace_probe *find_probe_event(const char *event, +static struct trace_probe *find_trace_probe(const char *event, const char *group) { struct trace_probe *tp; @@ -686,7 +686,7 @@ static struct trace_probe *find_probe_event(const char *event, /* Unregister a trace_probe and probe_event: call with locking probe_lock */ static void unregister_trace_probe(struct trace_probe *tp) { - if (probe_is_return(tp)) + if (trace_probe_is_return(tp)) unregister_kretprobe(&tp->rp); else unregister_kprobe(&tp->rp.kp); @@ -703,7 +703,7 @@ static int register_trace_probe(struct trace_probe *tp) mutex_lock(&probe_lock); /* register as an event */ - old_tp = find_probe_event(tp->call.name, tp->call.class->system); + old_tp = find_trace_probe(tp->call.name, tp->call.class->system); if (old_tp) { /* delete old event */ unregister_trace_probe(old_tp); @@ -716,7 +716,7 @@ static int register_trace_probe(struct trace_probe *tp) } tp->rp.kp.flags |= KPROBE_FLAG_DISABLED; - if (probe_is_return(tp)) + if (trace_probe_is_return(tp)) ret = register_kretprobe(&tp->rp); else ret = register_kprobe(&tp->rp.kp); @@ -1025,7 +1025,7 @@ static int create_trace_probe(int argc, char **argv) return -EINVAL; } mutex_lock(&probe_lock); - tp = find_probe_event(event, group); + tp = find_trace_probe(event, group); if (!tp) { mutex_unlock(&probe_lock); pr_info("Event %s/%s doesn't exist.\n", group, event); @@ -1144,7 +1144,7 @@ error: return ret; } -static void cleanup_all_probes(void) +static void release_all_trace_probes(void) { struct trace_probe *tp; @@ -1181,15 +1181,16 @@ static int probes_seq_show(struct seq_file *m, void *v) struct trace_probe *tp = v; int i; - seq_printf(m, "%c", probe_is_return(tp) ? 'r' : 'p'); + seq_printf(m, "%c", trace_probe_is_return(tp) ? 'r' : 'p'); seq_printf(m, ":%s/%s", tp->call.class->system, tp->call.name); if (!tp->symbol) seq_printf(m, " 0x%p", tp->rp.kp.addr); else if (tp->rp.kp.offset) - seq_printf(m, " %s+%u", probe_symbol(tp), tp->rp.kp.offset); + seq_printf(m, " %s+%u", trace_probe_symbol(tp), + tp->rp.kp.offset); else - seq_printf(m, " %s", probe_symbol(tp)); + seq_printf(m, " %s", trace_probe_symbol(tp)); for (i = 0; i < tp->nr_args; i++) seq_printf(m, " %s=%s", tp->args[i].name, tp->args[i].comm); @@ -1209,7 +1210,7 @@ static int probes_open(struct inode *inode, struct file *file) { if ((file->f_mode & FMODE_WRITE) && (file->f_flags & O_TRUNC)) - cleanup_all_probes(); + release_all_trace_probes(); return seq_open(file, &probes_seq_op); } @@ -1516,7 +1517,7 @@ static int probe_event_enable(struct ftrace_event_call *call) struct trace_probe *tp = (struct trace_probe *)call->data; tp->flags |= TP_FLAG_TRACE; - if (probe_is_return(tp)) + if (trace_probe_is_return(tp)) return enable_kretprobe(&tp->rp); else return enable_kprobe(&tp->rp.kp); @@ -1528,7 +1529,7 @@ static void probe_event_disable(struct ftrace_event_call *call) tp->flags &= ~TP_FLAG_TRACE; if (!(tp->flags & (TP_FLAG_TRACE | TP_FLAG_PROFILE))) { - if (probe_is_return(tp)) + if (trace_probe_is_return(tp)) disable_kretprobe(&tp->rp); else disable_kprobe(&tp->rp.kp); @@ -1596,7 +1597,7 @@ static int __set_print_fmt(struct trace_probe *tp, char *buf, int len) const char *fmt, *arg; - if (!probe_is_return(tp)) { + if (!trace_probe_is_return(tp)) { fmt = "(%lx)"; arg = "REC->" FIELD_STRING_IP; } else { @@ -1720,7 +1721,7 @@ static int probe_perf_enable(struct ftrace_event_call *call) tp->flags |= TP_FLAG_PROFILE; - if (probe_is_return(tp)) + if (trace_probe_is_return(tp)) return enable_kretprobe(&tp->rp); else return enable_kprobe(&tp->rp.kp); @@ -1733,7 +1734,7 @@ static void probe_perf_disable(struct ftrace_event_call *call) tp->flags &= ~TP_FLAG_PROFILE; if (!(tp->flags & TP_FLAG_TRACE)) { - if (probe_is_return(tp)) + if (trace_probe_is_return(tp)) disable_kretprobe(&tp->rp); else disable_kprobe(&tp->rp.kp); @@ -1805,7 +1806,7 @@ static int register_probe_event(struct trace_probe *tp) /* Initialize ftrace_event_call */ INIT_LIST_HEAD(&call->class->fields); - if (probe_is_return(tp)) { + if (trace_probe_is_return(tp)) { call->event.funcs = &kretprobe_funcs; call->class->define_fields = kretprobe_event_define_fields; } else { @@ -1897,7 +1898,7 @@ static __init int kprobe_trace_self_tests_init(void) warn++; } else { /* Enable trace point */ - tp = find_probe_event("testprobe", KPROBE_EVENT_SYSTEM); + tp = find_trace_probe("testprobe", KPROBE_EVENT_SYSTEM); if (WARN_ON_ONCE(tp == NULL)) { pr_warning("error on getting new probe.\n"); warn++; @@ -1912,7 +1913,7 @@ static __init int kprobe_trace_self_tests_init(void) warn++; } else { /* Enable trace point */ - tp = find_probe_event("testprobe2", KPROBE_EVENT_SYSTEM); + tp = find_trace_probe("testprobe2", KPROBE_EVENT_SYSTEM); if (WARN_ON_ONCE(tp == NULL)) { pr_warning("error on getting new probe.\n"); warn++; @@ -1938,7 +1939,7 @@ static __init int kprobe_trace_self_tests_init(void) } end: - cleanup_all_probes(); + release_all_trace_probes(); if (warn) pr_cont("NG: Some tests are failed. Please check them.\n"); else
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