class EventHeaders:
def __init__(self, common_cpu, common_secs, common_nsecs,
- common_pid, common_comm):
+ common_pid, common_comm, common_callchain):
self.cpu = common_cpu
self.secs = common_secs
self.nsecs = common_nsecs
self.pid = common_pid
self.comm = common_comm
+ self.callchain = common_callchain
def ts(self):
return (self.secs * (10 ** 9)) + self.nsecs
def irq__softirq_entry(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- vec):
+ common_callchain, vec):
print_header(event_name, common_cpu, common_secs, common_nsecs,
common_pid, common_comm)
def kmem__kmalloc(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- call_site, ptr, bytes_req, bytes_alloc,
+ common_callchain, call_site, ptr, bytes_req, bytes_alloc,
gfp_flags):
print_header(event_name, common_cpu, common_secs, common_nsecs,
common_pid, common_comm)
def raw_syscalls__sys_exit(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- id, ret):
+ common_callchain, id, ret):
if (for_comm and common_comm != for_comm) or \
(for_pid and common_pid != for_pid ):
return
lock_waits = {} # long-lived stats on (tid,lock) blockage elapsed time
process_names = {} # long-lived pid-to-execname mapping
-def syscalls__sys_enter_futex(event, ctxt, cpu, s, ns, tid, comm,
+def syscalls__sys_enter_futex(event, ctxt, cpu, s, ns, tid, comm, callchain,
nr, uaddr, op, val, utime, uaddr2, val3):
cmd = op & FUTEX_CMD_MASK
if cmd != FUTEX_WAIT:
thread_thislock[tid] = uaddr
thread_blocktime[tid] = nsecs(s, ns)
-def syscalls__sys_exit_futex(event, ctxt, cpu, s, ns, tid, comm,
+def syscalls__sys_exit_futex(event, ctxt, cpu, s, ns, tid, comm, callchain,
nr, ret):
if thread_blocktime.has_key(tid):
elapsed = nsecs(s, ns) - thread_blocktime[tid]
print_drop_table()
# called from perf, when it finds a correspoinding event
-def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm,
+def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm, callchain,
skbaddr, location, protocol):
slocation = str(location)
try:
(len(rx_skb_list), of_count_rx_skb_list)
# called from perf, when it finds a correspoinding event
-def irq__softirq_entry(name, context, cpu, sec, nsec, pid, comm, vec):
+def irq__softirq_entry(name, context, cpu, sec, nsec, pid, comm, callchain, vec):
if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX":
return
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
all_event_list.append(event_info)
-def irq__softirq_exit(name, context, cpu, sec, nsec, pid, comm, vec):
+def irq__softirq_exit(name, context, cpu, sec, nsec, pid, comm, callchain, vec):
if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX":
return
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
all_event_list.append(event_info)
-def irq__softirq_raise(name, context, cpu, sec, nsec, pid, comm, vec):
+def irq__softirq_raise(name, context, cpu, sec, nsec, pid, comm, callchain, vec):
if symbol_str("irq__softirq_entry", "vec", vec) != "NET_RX":
return
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
all_event_list.append(event_info)
def irq__irq_handler_entry(name, context, cpu, sec, nsec, pid, comm,
- irq, irq_name):
+ callchain, irq, irq_name):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
irq, irq_name)
all_event_list.append(event_info)
-def irq__irq_handler_exit(name, context, cpu, sec, nsec, pid, comm, irq, ret):
+def irq__irq_handler_exit(name, context, cpu, sec, nsec, pid, comm, callchain, irq, ret):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, irq, ret)
all_event_list.append(event_info)
-def napi__napi_poll(name, context, cpu, sec, nsec, pid, comm, napi, dev_name):
+def napi__napi_poll(name, context, cpu, sec, nsec, pid, comm, callchain, napi, dev_name):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
napi, dev_name)
all_event_list.append(event_info)
-def net__netif_receive_skb(name, context, cpu, sec, nsec, pid, comm, skbaddr,
+def net__netif_receive_skb(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr,
skblen, dev_name):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
skbaddr, skblen, dev_name)
all_event_list.append(event_info)
-def net__netif_rx(name, context, cpu, sec, nsec, pid, comm, skbaddr,
+def net__netif_rx(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr,
skblen, dev_name):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
skbaddr, skblen, dev_name)
all_event_list.append(event_info)
-def net__net_dev_queue(name, context, cpu, sec, nsec, pid, comm,
+def net__net_dev_queue(name, context, cpu, sec, nsec, pid, comm, callchain,
skbaddr, skblen, dev_name):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
skbaddr, skblen, dev_name)
all_event_list.append(event_info)
-def net__net_dev_xmit(name, context, cpu, sec, nsec, pid, comm,
+def net__net_dev_xmit(name, context, cpu, sec, nsec, pid, comm, callchain,
skbaddr, skblen, rc, dev_name):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
skbaddr, skblen, rc ,dev_name)
all_event_list.append(event_info)
-def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm,
+def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm, callchain,
skbaddr, protocol, location):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
skbaddr, protocol, location)
all_event_list.append(event_info)
-def skb__consume_skb(name, context, cpu, sec, nsec, pid, comm, skbaddr):
+def skb__consume_skb(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
skbaddr)
all_event_list.append(event_info)
-def skb__skb_copy_datagram_iovec(name, context, cpu, sec, nsec, pid, comm,
+def skb__skb_copy_datagram_iovec(name, context, cpu, sec, nsec, pid, comm, callchain,
skbaddr, skblen):
event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
skbaddr, skblen)
def sched__sched_stat_runtime(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, runtime, vruntime):
+ common_callchain, comm, pid, runtime, vruntime):
pass
def sched__sched_stat_iowait(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, delay):
+ common_callchain, comm, pid, delay):
pass
def sched__sched_stat_sleep(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, delay):
+ common_callchain, comm, pid, delay):
pass
def sched__sched_stat_wait(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, delay):
+ common_callchain, comm, pid, delay):
pass
def sched__sched_process_fork(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- parent_comm, parent_pid, child_comm, child_pid):
+ common_callchain, parent_comm, parent_pid, child_comm, child_pid):
pass
def sched__sched_process_wait(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, prio):
+ common_callchain, comm, pid, prio):
pass
def sched__sched_process_exit(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, prio):
+ common_callchain, comm, pid, prio):
pass
def sched__sched_process_free(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, prio):
+ common_callchain, comm, pid, prio):
pass
def sched__sched_migrate_task(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, prio, orig_cpu,
+ common_callchain, comm, pid, prio, orig_cpu,
dest_cpu):
headers = EventHeaders(common_cpu, common_secs, common_nsecs,
- common_pid, common_comm)
+ common_pid, common_comm, common_callchain)
parser.migrate(headers, pid, prio, orig_cpu, dest_cpu)
def sched__sched_switch(event_name, context, common_cpu,
- common_secs, common_nsecs, common_pid, common_comm,
+ common_secs, common_nsecs, common_pid, common_comm, common_callchain,
prev_comm, prev_pid, prev_prio, prev_state,
next_comm, next_pid, next_prio):
headers = EventHeaders(common_cpu, common_secs, common_nsecs,
- common_pid, common_comm)
+ common_pid, common_comm, common_callchain)
parser.sched_switch(headers, prev_comm, prev_pid, prev_prio, prev_state,
next_comm, next_pid, next_prio)
def sched__sched_wakeup_new(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, prio, success,
+ common_callchain, comm, pid, prio, success,
target_cpu):
headers = EventHeaders(common_cpu, common_secs, common_nsecs,
- common_pid, common_comm)
+ common_pid, common_comm, common_callchain)
parser.wake_up(headers, comm, pid, success, target_cpu, 1)
def sched__sched_wakeup(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, prio, success,
+ common_callchain, comm, pid, prio, success,
target_cpu):
headers = EventHeaders(common_cpu, common_secs, common_nsecs,
- common_pid, common_comm)
+ common_pid, common_comm, common_callchain)
parser.wake_up(headers, comm, pid, success, target_cpu, 0)
def sched__sched_wait_task(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid, prio):
+ common_callchain, comm, pid, prio):
pass
def sched__sched_kthread_stop_ret(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- ret):
+ common_callchain, ret):
pass
def sched__sched_kthread_stop(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- comm, pid):
+ common_callchain, comm, pid):
pass
-def trace_unhandled(event_name, context, common_cpu, common_secs, common_nsecs,
- common_pid, common_comm):
+def trace_unhandled(event_name, context, event_fields_dict):
pass
def raw_syscalls__sys_enter(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- id, args):
+ common_callchain, id, args):
if for_comm is not None:
if common_comm != for_comm:
return
def raw_syscalls__sys_enter(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- id, args):
+ common_callchain, id, args):
if (for_comm and common_comm != for_comm) or \
(for_pid and common_pid != for_pid ):
def raw_syscalls__sys_enter(event_name, context, common_cpu,
common_secs, common_nsecs, common_pid, common_comm,
- id, args):
+ common_callchain, id, args):
if for_comm is not None:
if common_comm != for_comm:
return
#include "../event.h"
#include "../thread.h"
#include "../trace-event.h"
+#include "../machine.h"
PyMODINIT_FUNC initperf_trace_context(void);
return obj;
}
+
+static PyObject *python_process_callchain(struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct addr_location *al)
+{
+ PyObject *pylist;
+
+ pylist = PyList_New(0);
+ if (!pylist)
+ Py_FatalError("couldn't create Python list");
+
+ if (!symbol_conf.use_callchain || !sample->callchain)
+ goto exit;
+
+ if (machine__resolve_callchain(al->machine, evsel, al->thread,
+ sample, NULL, NULL,
+ PERF_MAX_STACK_DEPTH) != 0) {
+ pr_err("Failed to resolve callchain. Skipping\n");
+ goto exit;
+ }
+ callchain_cursor_commit(&callchain_cursor);
+
+
+ while (1) {
+ PyObject *pyelem;
+ struct callchain_cursor_node *node;
+ node = callchain_cursor_current(&callchain_cursor);
+ if (!node)
+ break;
+
+ pyelem = PyDict_New();
+ if (!pyelem)
+ Py_FatalError("couldn't create Python dictionary");
+
+
+ pydict_set_item_string_decref(pyelem, "ip",
+ PyLong_FromUnsignedLongLong(node->ip));
+
+ if (node->sym) {
+ PyObject *pysym = PyDict_New();
+ if (!pysym)
+ Py_FatalError("couldn't create Python dictionary");
+ pydict_set_item_string_decref(pysym, "start",
+ PyLong_FromUnsignedLongLong(node->sym->start));
+ pydict_set_item_string_decref(pysym, "end",
+ PyLong_FromUnsignedLongLong(node->sym->end));
+ pydict_set_item_string_decref(pysym, "binding",
+ PyInt_FromLong(node->sym->binding));
+ pydict_set_item_string_decref(pysym, "name",
+ PyString_FromStringAndSize(node->sym->name,
+ node->sym->namelen));
+ pydict_set_item_string_decref(pyelem, "sym", pysym);
+ }
+
+ if (node->map) {
+ struct map *map = node->map;
+ const char *dsoname = "[unknown]";
+ if (map && map->dso && (map->dso->name || map->dso->long_name)) {
+ if (symbol_conf.show_kernel_path && map->dso->long_name)
+ dsoname = map->dso->long_name;
+ else if (map->dso->name)
+ dsoname = map->dso->name;
+ }
+ pydict_set_item_string_decref(pyelem, "dso",
+ PyString_FromString(dsoname));
+ }
+
+ callchain_cursor_advance(&callchain_cursor);
+ PyList_Append(pylist, pyelem);
+ Py_DECREF(pyelem);
+ }
+
+exit:
+ return pylist;
+}
+
+
static void python_process_tracepoint(struct perf_sample *sample,
struct perf_evsel *evsel,
struct thread *thread,
struct addr_location *al)
{
- PyObject *handler, *retval, *context, *t, *obj, *dict = NULL;
+ PyObject *handler, *retval, *context, *t, *obj, *callchain;
+ PyObject *dict = NULL;
static char handler_name[256];
struct format_field *field;
unsigned long s, ns;
PyTuple_SetItem(t, n++, PyString_FromString(handler_name));
PyTuple_SetItem(t, n++, context);
+ /* ip unwinding */
+ callchain = python_process_callchain(sample, evsel, al);
+
if (handler) {
PyTuple_SetItem(t, n++, PyInt_FromLong(cpu));
PyTuple_SetItem(t, n++, PyInt_FromLong(s));
PyTuple_SetItem(t, n++, PyInt_FromLong(ns));
PyTuple_SetItem(t, n++, PyInt_FromLong(pid));
PyTuple_SetItem(t, n++, PyString_FromString(comm));
+ PyTuple_SetItem(t, n++, callchain);
} else {
pydict_set_item_string_decref(dict, "common_cpu", PyInt_FromLong(cpu));
pydict_set_item_string_decref(dict, "common_s", PyInt_FromLong(s));
pydict_set_item_string_decref(dict, "common_ns", PyInt_FromLong(ns));
pydict_set_item_string_decref(dict, "common_pid", PyInt_FromLong(pid));
pydict_set_item_string_decref(dict, "common_comm", PyString_FromString(comm));
+ pydict_set_item_string_decref(dict, "common_callchain", callchain);
}
for (field = event->format.fields; field; field = field->next) {
if (field->flags & FIELD_IS_STRING) {
pydict_set_item_string_decref(dict, field->name, obj);
}
+
if (!handler)
PyTuple_SetItem(t, n++, dict);
struct thread *thread,
struct addr_location *al)
{
- PyObject *handler, *retval, *t, *dict;
+ PyObject *handler, *retval, *t, *dict, *callchain;
static char handler_name[64];
unsigned n = 0;
PyString_FromString(al->sym->name));
}
+ /* ip unwinding */
+ callchain = python_process_callchain(sample, evsel, al);
+ pydict_set_item_string_decref(dict, "callchain", callchain);
+
PyTuple_SetItem(t, n++, dict);
if (_PyTuple_Resize(&t, n) == -1)
Py_FatalError("error resizing Python tuple");
fprintf(ofp, "common_nsecs, ");
fprintf(ofp, "common_pid, ");
fprintf(ofp, "common_comm,\n\t");
+ fprintf(ofp, "common_callchain, ");
not_first = 0;
count = 0;
fprintf(ofp, "%%u");
}
- fprintf(ofp, "\\n\" %% \\\n\t\t(");
+ fprintf(ofp, "\" %% \\\n\t\t(");
not_first = 0;
count = 0;
fprintf(ofp, "%s", f->name);
}
- fprintf(ofp, "),\n\n");
+ fprintf(ofp, ")\n\n");
+
+ fprintf(ofp, "\t\tfor node in common_callchain:");
+ fprintf(ofp, "\n\t\t\tif 'sym' in node:");
+ fprintf(ofp, "\n\t\t\t\tprint \"\\t[%%x] %%s\" %% (node['ip'], node['sym']['name'])");
+ fprintf(ofp, "\n\t\t\telse:");
+ fprintf(ofp, "\n\t\t\t\tprint \"\t[%%x]\" %% (node['ip'])\n\n");
+ fprintf(ofp, "\t\tprint \"\\n\"\n\n");
+
}
fprintf(ofp, "def trace_unhandled(event_name, context, "
projects / cascardo / linux.git / commitdiff