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authorMasami Hiramatsu <mhiramat@redhat.com>2009-08-21 15:43:51 -0400
committerFrederic Weisbecker <fweisbec@gmail.com>2009-08-26 20:32:59 -0400
commit30a7e073b590ebd1829a906164b0a637e77cc967 (patch)
treed31b26e5f650dd4bf883c2b7b9bf22116b769b83 /kernel/trace/trace_kprobe.c
parent38a47497d9e34632abbeb484603cedf10c4b05e4 (diff)
tracing/kprobes: Change trace_arg to probe_arg
Change trace_arg_string() and parse_trace_arg() to probe_arg_string() and parse_probe_arg(), since those are kprobe-tracer local functions. Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: Jim Keniston <jkenisto@us.ibm.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Avi Kivity <avi@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Frank Ch. Eigler <fche@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jason Baron <jbaron@redhat.com> Cc: K.Prasad <prasad@linux.vnet.ibm.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Przemysław Pawełczyk <przemyslaw@pawelczyk.it> Cc: Roland McGrath <roland@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Vegard Nossum <vegard.nossum@gmail.com> LKML-Reference: <20090821194351.12478.15247.stgit@localhost.localdomain> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'kernel/trace/trace_kprobe.c')
-rw-r--r--kernel/trace/trace_kprobe.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 1a9ca79fe645..f4ec3fc87b2d 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -220,7 +220,7 @@ static __kprobes void *probe_address(struct trace_probe *tp)
220 return (probe_is_return(tp)) ? tp->rp.kp.addr : tp->kp.addr; 220 return (probe_is_return(tp)) ? tp->rp.kp.addr : tp->kp.addr;
221} 221}
222 222
223static int trace_arg_string(char *buf, size_t n, struct fetch_func *ff) 223static int probe_arg_string(char *buf, size_t n, struct fetch_func *ff)
224{ 224{
225 int ret = -EINVAL; 225 int ret = -EINVAL;
226 226
@@ -250,7 +250,7 @@ static int trace_arg_string(char *buf, size_t n, struct fetch_func *ff)
250 if (ret >= n) 250 if (ret >= n)
251 goto end; 251 goto end;
252 l += ret; 252 l += ret;
253 ret = trace_arg_string(buf + l, n - l, &id->orig); 253 ret = probe_arg_string(buf + l, n - l, &id->orig);
254 if (ret < 0) 254 if (ret < 0)
255 goto end; 255 goto end;
256 l += ret; 256 l += ret;
@@ -408,7 +408,7 @@ static int split_symbol_offset(char *symbol, long *offset)
408#define PARAM_MAX_ARGS 16 408#define PARAM_MAX_ARGS 16
409#define PARAM_MAX_STACK (THREAD_SIZE / sizeof(unsigned long)) 409#define PARAM_MAX_STACK (THREAD_SIZE / sizeof(unsigned long))
410 410
411static int parse_trace_arg(char *arg, struct fetch_func *ff, int is_return) 411static int parse_probe_arg(char *arg, struct fetch_func *ff, int is_return)
412{ 412{
413 int ret = 0; 413 int ret = 0;
414 unsigned long param; 414 unsigned long param;
@@ -499,7 +499,7 @@ static int parse_trace_arg(char *arg, struct fetch_func *ff, int is_return)
499 if (!id) 499 if (!id)
500 return -ENOMEM; 500 return -ENOMEM;
501 id->offset = offset; 501 id->offset = offset;
502 ret = parse_trace_arg(arg, &id->orig, is_return); 502 ret = parse_probe_arg(arg, &id->orig, is_return);
503 if (ret) 503 if (ret)
504 kfree(id); 504 kfree(id);
505 else { 505 else {
@@ -617,7 +617,7 @@ static int create_trace_probe(int argc, char **argv)
617 ret = -ENOSPC; 617 ret = -ENOSPC;
618 goto error; 618 goto error;
619 } 619 }
620 ret = parse_trace_arg(argv[i], &tp->args[i], is_return); 620 ret = parse_probe_arg(argv[i], &tp->args[i], is_return);
621 if (ret) 621 if (ret)
622 goto error; 622 goto error;
623 } 623 }
@@ -680,7 +680,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
680 seq_printf(m, " 0x%p", probe_address(tp)); 680 seq_printf(m, " 0x%p", probe_address(tp));
681 681
682 for (i = 0; i < tp->nr_args; i++) { 682 for (i = 0; i < tp->nr_args; i++) {
683 ret = trace_arg_string(buf, MAX_ARGSTR_LEN, &tp->args[i]); 683 ret = probe_arg_string(buf, MAX_ARGSTR_LEN, &tp->args[i]);
684 if (ret < 0) { 684 if (ret < 0) {
685 pr_warning("Argument%d decoding error(%d).\n", i, ret); 685 pr_warning("Argument%d decoding error(%d).\n", i, ret);
686 return ret; 686 return ret;
@@ -997,7 +997,7 @@ static int kprobe_event_define_fields(struct ftrace_event_call *event_call)
997 sprintf(buf, "arg%d", i); 997 sprintf(buf, "arg%d", i);
998 DEFINE_FIELD(unsigned long, args[i], buf, 0); 998 DEFINE_FIELD(unsigned long, args[i], buf, 0);
999 /* Set argument string as an alias field */ 999 /* Set argument string as an alias field */
1000 ret = trace_arg_string(buf, MAX_ARGSTR_LEN, &tp->args[i]); 1000 ret = probe_arg_string(buf, MAX_ARGSTR_LEN, &tp->args[i]);
1001 if (ret < 0) 1001 if (ret < 0)
1002 return ret; 1002 return ret;
1003 DEFINE_FIELD(unsigned long, args[i], buf, 0); 1003 DEFINE_FIELD(unsigned long, args[i], buf, 0);
@@ -1024,7 +1024,7 @@ static int kretprobe_event_define_fields(struct ftrace_event_call *event_call)
1024 sprintf(buf, "arg%d", i); 1024 sprintf(buf, "arg%d", i);
1025 DEFINE_FIELD(unsigned long, args[i], buf, 0); 1025 DEFINE_FIELD(unsigned long, args[i], buf, 0);
1026 /* Set argument string as an alias field */ 1026 /* Set argument string as an alias field */
1027 ret = trace_arg_string(buf, MAX_ARGSTR_LEN, &tp->args[i]); 1027 ret = probe_arg_string(buf, MAX_ARGSTR_LEN, &tp->args[i]);
1028 if (ret < 0) 1028 if (ret < 0)
1029 return ret; 1029 return ret;
1030 DEFINE_FIELD(unsigned long, args[i], buf, 0); 1030 DEFINE_FIELD(unsigned long, args[i], buf, 0);
@@ -1041,7 +1041,7 @@ static int __probe_event_show_format(struct trace_seq *s,
1041 1041
1042 /* Show aliases */ 1042 /* Show aliases */
1043 for (i = 0; i < tp->nr_args; i++) { 1043 for (i = 0; i < tp->nr_args; i++) {
1044 ret = trace_arg_string(buf, MAX_ARGSTR_LEN, &tp->args[i]); 1044 ret = probe_arg_string(buf, MAX_ARGSTR_LEN, &tp->args[i]);
1045 if (ret < 0) 1045 if (ret < 0)
1046 return ret; 1046 return ret;
1047 if (!trace_seq_printf(s, "\talias: %s;\toriginal: arg%d;\n", 1047 if (!trace_seq_printf(s, "\talias: %s;\toriginal: arg%d;\n",