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authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /tools/perf/util/probe-event.h
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
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fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'tools/perf/util/probe-event.h')
-rw-r--r--tools/perf/util/probe-event.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h
new file mode 100644
index 00000000000..a7dee835f49
--- /dev/null
+++ b/tools/perf/util/probe-event.h
@@ -0,0 +1,138 @@
+#ifndef _PROBE_EVENT_H
+#define _PROBE_EVENT_H
+
+#include <stdbool.h>
+#include "strlist.h"
+#include "strfilter.h"
+
+extern bool probe_event_dry_run;
+
+/* kprobe-tracer tracing point */
+struct probe_trace_point {
+ char *symbol; /* Base symbol */
+ char *module; /* Module name */
+ unsigned long offset; /* Offset from symbol */
+ bool retprobe; /* Return probe flag */
+};
+
+/* probe-tracer tracing argument referencing offset */
+struct probe_trace_arg_ref {
+ struct probe_trace_arg_ref *next; /* Next reference */
+ long offset; /* Offset value */
+};
+
+/* kprobe-tracer tracing argument */
+struct probe_trace_arg {
+ char *name; /* Argument name */
+ char *value; /* Base value */
+ char *type; /* Type name */
+ struct probe_trace_arg_ref *ref; /* Referencing offset */
+};
+
+/* kprobe-tracer tracing event (point + arg) */
+struct probe_trace_event {
+ char *event; /* Event name */
+ char *group; /* Group name */
+ struct probe_trace_point point; /* Trace point */
+ int nargs; /* Number of args */
+ struct probe_trace_arg *args; /* Arguments */
+};
+
+/* Perf probe probing point */
+struct perf_probe_point {
+ char *file; /* File path */
+ char *function; /* Function name */
+ int line; /* Line number */
+ bool retprobe; /* Return probe flag */
+ char *lazy_line; /* Lazy matching pattern */
+ unsigned long offset; /* Offset from function entry */
+};
+
+/* Perf probe probing argument field chain */
+struct perf_probe_arg_field {
+ struct perf_probe_arg_field *next; /* Next field */
+ char *name; /* Name of the field */
+ long index; /* Array index number */
+ bool ref; /* Referencing flag */
+};
+
+/* Perf probe probing argument */
+struct perf_probe_arg {
+ char *name; /* Argument name */
+ char *var; /* Variable name */
+ char *type; /* Type name */
+ struct perf_probe_arg_field *field; /* Structure fields */
+};
+
+/* Perf probe probing event (point + arg) */
+struct perf_probe_event {
+ char *event; /* Event name */
+ char *group; /* Group name */
+ struct perf_probe_point point; /* Probe point */
+ int nargs; /* Number of arguments */
+ struct perf_probe_arg *args; /* Arguments */
+};
+
+
+/* Line number container */
+struct line_node {
+ struct list_head list;
+ int line;
+};
+
+/* Line range */
+struct line_range {
+ char *file; /* File name */
+ char *function; /* Function name */
+ int start; /* Start line number */
+ int end; /* End line number */
+ int offset; /* Start line offset */
+ char *path; /* Real path name */
+ char *comp_dir; /* Compile directory */
+ struct list_head line_list; /* Visible lines */
+};
+
+/* List of variables */
+struct variable_list {
+ struct probe_trace_point point; /* Actual probepoint */
+ struct strlist *vars; /* Available variables */
+};
+
+/* Command string to events */
+extern int parse_perf_probe_command(const char *cmd,
+ struct perf_probe_event *pev);
+
+/* Events to command string */
+extern char *synthesize_perf_probe_command(struct perf_probe_event *pev);
+extern char *synthesize_probe_trace_command(struct probe_trace_event *tev);
+extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf,
+ size_t len);
+
+/* Check the perf_probe_event needs debuginfo */
+extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev);
+
+/* Release event contents */
+extern void clear_perf_probe_event(struct perf_probe_event *pev);
+
+/* Command string to line-range */
+extern int parse_line_range_desc(const char *cmd, struct line_range *lr);
+
+/* Internal use: Return kernel/module path */
+extern const char *kernel_get_module_path(const char *module);
+
+extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
+ int max_probe_points, const char *module,
+ bool force_add);
+extern int del_perf_probe_events(struct strlist *dellist);
+extern int show_perf_probe_events(void);
+extern int show_line_range(struct line_range *lr, const char *module);
+extern int show_available_vars(struct perf_probe_event *pevs, int npevs,
+ int max_probe_points, const char *module,
+ struct strfilter *filter, bool externs);
+extern int show_available_funcs(const char *module, struct strfilter *filter);
+
+
+/* Maximum index number of event-name postfix */
+#define MAX_EVENT_INDEX 1024
+
+#endif /*_PROBE_EVENT_H */