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perf machine: Move more machine methods to machine.c

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Mechanical, no functional changes.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-9ib6qtqge1jmms2luwu4udbx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2012-12-07 17:39:39 -03:00
parent fbb6976c2f
commit 3f067dcab7
7 changed files with 756 additions and 746 deletions
Download Patch File Download Diff File Expand all files Collapse all files

210
tools/perf/util/session.c
View File

@ -16,7 +16,6 @@
#include "cpumap.h"
#include "event-parse.h"
#include "perf_regs.h"
#include "unwind.h"
#include "vdso.h"
static int perf_session__open(struct perf_session *self, bool force)
@ -162,34 +161,11 @@ out_delete:
return NULL;
}
static void machine__delete_dead_threads(struct machine *machine)
{
struct thread *n, *t;
list_for_each_entry_safe(t, n, &machine->dead_threads, node) {
list_del(&t->node);
thread__delete(t);
}
}
static void perf_session__delete_dead_threads(struct perf_session *session)
{
machine__delete_dead_threads(&session->host_machine);
}
static void machine__delete_threads(struct machine *self)
{
struct rb_node *nd = rb_first(&self->threads);
while (nd) {
struct thread *t = rb_entry(nd, struct thread, rb_node);
rb_erase(&t->rb_node, &self->threads);
nd = rb_next(nd);
thread__delete(t);
}
}
static void perf_session__delete_threads(struct perf_session *session)
{
machine__delete_threads(&session->host_machine);
@ -223,192 +199,6 @@ void perf_session__delete(struct perf_session *self)
vdso__exit();
}
void machine__remove_thread(struct machine *self, struct thread *th)
{
self->last_match = NULL;
rb_erase(&th->rb_node, &self->threads);
/*
* We may have references to this thread, for instance in some hist_entry
* instances, so just move them to a separate list.
*/
list_add_tail(&th->node, &self->dead_threads);
}
static bool symbol__match_parent_regex(struct symbol *sym)
{
if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
return 1;
return 0;
}
static const u8 cpumodes[] = {
PERF_RECORD_MISC_USER,
PERF_RECORD_MISC_KERNEL,
PERF_RECORD_MISC_GUEST_USER,
PERF_RECORD_MISC_GUEST_KERNEL
};
#define NCPUMODES (sizeof(cpumodes)/sizeof(u8))
static void ip__resolve_ams(struct machine *self, struct thread *thread,
struct addr_map_symbol *ams,
u64 ip)
{
struct addr_location al;
size_t i;
u8 m;
memset(&al, 0, sizeof(al));
for (i = 0; i < NCPUMODES; i++) {
m = cpumodes[i];
/*
* We cannot use the header.misc hint to determine whether a
* branch stack address is user, kernel, guest, hypervisor.
* Branches may straddle the kernel/user/hypervisor boundaries.
* Thus, we have to try consecutively until we find a match
* or else, the symbol is unknown
*/
thread__find_addr_location(thread, self, m, MAP__FUNCTION,
ip, &al, NULL);
if (al.sym)
goto found;
}
found:
ams->addr = ip;
ams->al_addr = al.addr;
ams->sym = al.sym;
ams->map = al.map;
}
struct branch_info *machine__resolve_bstack(struct machine *self,
struct thread *thr,
struct branch_stack *bs)
{
struct branch_info *bi;
unsigned int i;
bi = calloc(bs->nr, sizeof(struct branch_info));
if (!bi)
return NULL;
for (i = 0; i < bs->nr; i++) {
ip__resolve_ams(self, thr, &bi[i].to, bs->entries[i].to);
ip__resolve_ams(self, thr, &bi[i].from, bs->entries[i].from);
bi[i].flags = bs->entries[i].flags;
}
return bi;
}
static int machine__resolve_callchain_sample(struct machine *machine,
struct thread *thread,
struct ip_callchain *chain,
struct symbol **parent)
{
u8 cpumode = PERF_RECORD_MISC_USER;
unsigned int i;
int err;
callchain_cursor_reset(&callchain_cursor);
if (chain->nr > PERF_MAX_STACK_DEPTH) {
pr_warning("corrupted callchain. skipping...\n");
return 0;
}
for (i = 0; i < chain->nr; i++) {
u64 ip;
struct addr_location al;
if (callchain_param.order == ORDER_CALLEE)
ip = chain->ips[i];
else
ip = chain->ips[chain->nr - i - 1];
if (ip >= PERF_CONTEXT_MAX) {
switch (ip) {
case PERF_CONTEXT_HV:
cpumode = PERF_RECORD_MISC_HYPERVISOR;
break;
case PERF_CONTEXT_KERNEL:
cpumode = PERF_RECORD_MISC_KERNEL;
break;
case PERF_CONTEXT_USER:
cpumode = PERF_RECORD_MISC_USER;
break;
default:
pr_debug("invalid callchain context: "
"%"PRId64"\n", (s64) ip);
/*
* It seems the callchain is corrupted.
* Discard all.
*/
callchain_cursor_reset(&callchain_cursor);
return 0;
}
continue;
}
al.filtered = false;
thread__find_addr_location(thread, machine, cpumode,
MAP__FUNCTION, ip, &al, NULL);
if (al.sym != NULL) {
if (sort__has_parent && !*parent &&
symbol__match_parent_regex(al.sym))
*parent = al.sym;
if (!symbol_conf.use_callchain)
break;
}
err = callchain_cursor_append(&callchain_cursor,
ip, al.map, al.sym);
if (err)
return err;
}
return 0;
}
static int unwind_entry(struct unwind_entry *entry, void *arg)
{
struct callchain_cursor *cursor = arg;
return callchain_cursor_append(cursor, entry->ip,
entry->map, entry->sym);
}
int machine__resolve_callchain(struct machine *machine,
struct perf_evsel *evsel,
struct thread *thread,
struct perf_sample *sample,
struct symbol **parent)
{
int ret;
callchain_cursor_reset(&callchain_cursor);
ret = machine__resolve_callchain_sample(machine, thread,
sample->callchain, parent);
if (ret)
return ret;
/* Can we do dwarf post unwind? */
if (!((evsel->attr.sample_type & PERF_SAMPLE_REGS_USER) &&
(evsel->attr.sample_type & PERF_SAMPLE_STACK_USER)))
return 0;
/* Bail out if nothing was captured. */
if ((!sample->user_regs.regs) ||
(!sample->user_stack.size))
return 0;
return unwind__get_entries(unwind_entry, &callchain_cursor, machine,
thread, evsel->attr.sample_regs_user,
sample);
}
static int process_event_synth_tracing_data_stub(union perf_event *event
__maybe_unused,
struct perf_session *session