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Merge branch 'perf/urgent' into perf/core

Browse source 
Merge reason: Pick up pending fixes before applying dependent new changes.

Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2010-09-09 20:40:06 +02:00
commit 2aa61274ef
13 changed files with 194 additions and 88 deletions
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1
tools/perf/util/probe-event.c
View file

@ -1539,6 +1539,7 @@ static int convert_to_probe_trace_events(struct perf_probe_event *pev,
goto error;
}
tev->point.offset = pev->point.offset;
tev->point.retprobe = pev->point.retprobe;
tev->nargs = pev->nargs;
if (tev->nargs) {
tev->args = zalloc(sizeof(struct probe_trace_arg)

42
tools/perf/util/probe-finder.c
View file

@ -686,6 +686,25 @@ static int find_variable(Dwarf_Die *sp_die, struct probe_finder *pf)
char buf[32], *ptr;
int ret, nscopes;
if (!is_c_varname(pf->pvar->var)) {
/* Copy raw parameters */
pf->tvar->value = strdup(pf->pvar->var);
if (pf->tvar->value == NULL)
return -ENOMEM;
if (pf->pvar->type) {
pf->tvar->type = strdup(pf->pvar->type);
if (pf->tvar->type == NULL)
return -ENOMEM;
}
if (pf->pvar->name) {
pf->tvar->name = strdup(pf->pvar->name);
if (pf->tvar->name == NULL)
return -ENOMEM;
} else
pf->tvar->name = NULL;
return 0;
}
if (pf->pvar->name)
pf->tvar->name = strdup(pf->pvar->name);
else {
@ -700,19 +719,6 @@ static int find_variable(Dwarf_Die *sp_die, struct probe_finder *pf)
if (pf->tvar->name == NULL)
return -ENOMEM;
if (!is_c_varname(pf->pvar->var)) {
/* Copy raw parameters */
pf->tvar->value = strdup(pf->pvar->var);
if (pf->tvar->value == NULL)
return -ENOMEM;
if (pf->pvar->type) {
pf->tvar->type = strdup(pf->pvar->type);
if (pf->tvar->type == NULL)
return -ENOMEM;
}
return 0;
}
pr_debug("Searching '%s' variable in context.\n",
pf->pvar->var);
/* Search child die for local variables and parameters. */
@ -783,6 +789,16 @@ static int convert_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf)
/* This function has no name. */
tev->point.offset = (unsigned long)pf->addr;
/* Return probe must be on the head of a subprogram */
if (pf->pev->point.retprobe) {
if (tev->point.offset != 0) {
pr_warning("Return probe must be on the head of"
" a real function\n");
return -EINVAL;
}
tev->point.retprobe = true;
}
pr_debug("Probe point found: %s+%lu\n", tev->point.symbol,
tev->point.offset);