Commit ab10d69e authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Steven Rostedt (VMware)
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tracing/uprobe: Add per-probe delete from event

Add per-probe delete method from one event passing the head of
definition. In other words, the events which match the head
N parameters are deleted.


Signed-off-by: default avatarMasami Hiramatsu <>
Signed-off-by: default avatarSteven Rostedt (VMware) <>
parent eb5bf813
......@@ -284,13 +284,42 @@ static bool trace_uprobe_is_busy(struct dyn_event *ev)
return trace_probe_is_enabled(&tu->tp);
static bool trace_uprobe_match_command_head(struct trace_uprobe *tu,
int argc, const char **argv)
char buf[MAX_ARGSTR_LEN + 1];
int len;
if (!argc)
return true;
len = strlen(tu->filename);
if (strncmp(tu->filename, argv[0], len) || argv[0][len] != ':')
return false;
if (tu->ref_ctr_offset == 0)
snprintf(buf, sizeof(buf), "0x%0*lx",
(int)(sizeof(void *) * 2), tu->offset);
snprintf(buf, sizeof(buf), "0x%0*lx(0x%lx)",
(int)(sizeof(void *) * 2), tu->offset,
if (strcmp(buf, &argv[0][len + 1]))
return false;
argc--; argv++;
return trace_probe_match_command_args(&tu->tp, argc, argv);
static bool trace_uprobe_match(const char *system, const char *event,
int argc, const char **argv, struct dyn_event *ev)
struct trace_uprobe *tu = to_trace_uprobe(ev);
return strcmp(trace_probe_name(&tu->tp), event) == 0 &&
(!system || strcmp(trace_probe_group_name(&tu->tp), system) == 0);
(!system || strcmp(trace_probe_group_name(&tu->tp), system) == 0) &&
trace_uprobe_match_command_head(tu, argc, argv);
static nokprobe_inline struct trace_uprobe *
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