summaryrefslogtreecommitdiffstats
path: root/runtime/probes/scf
diff options
context:
space:
mode:
Diffstat (limited to 'runtime/probes/scf')
-rw-r--r--runtime/probes/scf/README12
-rwxr-xr-xruntime/probes/scf/build2
-rw-r--r--runtime/probes/scf/scf.c50
-rw-r--r--runtime/probes/scf/targets1
4 files changed, 0 insertions, 65 deletions
diff --git a/runtime/probes/scf/README b/runtime/probes/scf/README
deleted file mode 100644
index 39fcfda8..00000000
--- a/runtime/probes/scf/README
+++ /dev/null
@@ -1,12 +0,0 @@
-/** @dir scf
-This example probe instruments smp_call_function().
-
-It demonstrates using stack backtraces as map keys to compute the most
-common path to a function.
-
-kernel.function("smp_call_function")
-{
- traces[stack()] += 1
-}
-
-*/
diff --git a/runtime/probes/scf/build b/runtime/probes/scf/build
deleted file mode 100755
index f3e83244..00000000
--- a/runtime/probes/scf/build
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/bash
-../build_probe $*
diff --git a/runtime/probes/scf/scf.c b/runtime/probes/scf/scf.c
deleted file mode 100644
index 0e29df43..00000000
--- a/runtime/probes/scf/scf.c
+++ /dev/null
@@ -1,50 +0,0 @@
-#define STP_NUM_STRINGS 1
-#include "runtime.h"
-
-#define MAP_STRING_LENGTH 512
-
-#define VALUE_TYPE INT64
-#define KEY1_TYPE STRING
-#include "map-gen.c"
-
-#include "map.c"
-#include "sym.c"
-#include "current.c"
-#include "stack.c"
-#include "probes.c"
-
-MODULE_DESCRIPTION("SystemTap probe: scf");
-MODULE_AUTHOR("Martin Hunt <hunt@redhat.com>");
-
-MAP map1;
-
-int inst_smp_call_function (struct kprobe *p, struct pt_regs *regs)
-{
- String str = _stp_string_init (0);
- _stp_stack_sprint (str, regs, 1);
- _stp_map_add_si (map1, _stp_string_ptr(str), 1);
- return 0;
-}
-
-static struct kprobe stp_probes[] = {
- {
- .addr = (kprobe_opcode_t *)"smp_call_function",
- .pre_handler = inst_smp_call_function
- },
-};
-
-#define MAX_STP_ROUTINE (sizeof(stp_probes)/sizeof(struct kprobe))
-
-int probe_start(void)
-{
- map1 = _stp_map_new_si (100);
- return _stp_register_kprobes (stp_probes, MAX_STP_ROUTINE);
-}
-
-void probe_exit (void)
-{
- _stp_unregister_kprobes (stp_probes, MAX_STP_ROUTINE);
- _stp_map_print (map1, "trace[%1s] = %d\n");
- _stp_map_del (map1);
-}
-
diff --git a/runtime/probes/scf/targets b/runtime/probes/scf/targets
deleted file mode 100644
index aafcca22..00000000
--- a/runtime/probes/scf/targets
+++ /dev/null
@@ -1 +0,0 @@
-scf