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Diffstat (limited to 'tools/perf/util/intel-pt.c')
-rw-r--r--tools/perf/util/intel-pt.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index dc041d4368c8..815a14d8904b 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -428,8 +428,7 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn,
struct machine *machine = ptq->pt->machine;
struct thread *thread;
struct addr_location al;
- unsigned char buf[1024];
- size_t bufsz;
+ unsigned char buf[INTEL_PT_INSN_BUF_SZ];
ssize_t len;
int x86_64;
u8 cpumode;
@@ -440,8 +439,6 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn,
if (to_ip && *ip == to_ip)
goto out_no_cache;
- bufsz = intel_pt_insn_max_size();
-
if (*ip >= ptq->pt->kernel_start)
cpumode = PERF_RECORD_MISC_KERNEL;
else
@@ -493,7 +490,8 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn,
while (1) {
len = dso__data_read_offset(al.map->dso, machine,
- offset, buf, bufsz);
+ offset, buf,
+ INTEL_PT_INSN_BUF_SZ);
if (len <= 0)
return -EINVAL;
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