Update Linux to v5.4.148
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz
Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index a1c9eb6..9b7cc5f 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -602,8 +602,10 @@
*ip += intel_pt_insn->length;
- if (to_ip && *ip == to_ip)
+ if (to_ip && *ip == to_ip) {
+ intel_pt_insn->length = 0;
goto out_no_cache;
+ }
if (*ip >= al.map->end)
break;
@@ -974,6 +976,8 @@
if (queue->tid == -1 || pt->have_sched_switch) {
ptq->tid = machine__get_current_tid(pt->machine, ptq->cpu);
+ if (ptq->tid == -1)
+ ptq->pid = -1;
thread__zput(ptq->thread);
}
@@ -989,6 +993,7 @@
static void intel_pt_sample_flags(struct intel_pt_queue *ptq)
{
+ ptq->insn_len = 0;
if (ptq->state->flags & INTEL_PT_ABORT_TX) {
ptq->flags = PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT;
} else if (ptq->state->flags & INTEL_PT_ASYNC) {
@@ -1302,7 +1307,8 @@
sample.branch_stack = (struct branch_stack *)&dummy_bs;
}
- sample.cyc_cnt = ptq->ipc_cyc_cnt - ptq->last_br_cyc_cnt;
+ if (ptq->state->flags & INTEL_PT_SAMPLE_IPC)
+ sample.cyc_cnt = ptq->ipc_cyc_cnt - ptq->last_br_cyc_cnt;
if (sample.cyc_cnt) {
sample.insn_cnt = ptq->ipc_insn_cnt - ptq->last_br_insn_cnt;
ptq->last_br_insn_cnt = ptq->ipc_insn_cnt;
@@ -1364,7 +1370,8 @@
sample.stream_id = ptq->pt->instructions_id;
sample.period = ptq->state->tot_insn_cnt - ptq->last_insn_cnt;
- sample.cyc_cnt = ptq->ipc_cyc_cnt - ptq->last_in_cyc_cnt;
+ if (ptq->state->flags & INTEL_PT_SAMPLE_IPC)
+ sample.cyc_cnt = ptq->ipc_cyc_cnt - ptq->last_in_cyc_cnt;
if (sample.cyc_cnt) {
sample.insn_cnt = ptq->ipc_insn_cnt - ptq->last_in_insn_cnt;
ptq->last_in_insn_cnt = ptq->ipc_insn_cnt;
@@ -1707,6 +1714,7 @@
u64 sample_type = evsel->core.attr.sample_type;
u64 id = evsel->core.id[0];
u8 cpumode;
+ u64 regs[8 * sizeof(sample.intr_regs.mask)];
if (intel_pt_skip_event(pt))
return 0;
@@ -1756,8 +1764,8 @@
}
if (sample_type & PERF_SAMPLE_REGS_INTR &&
- items->mask[INTEL_PT_GP_REGS_POS]) {
- u64 regs[sizeof(sample.intr_regs.mask)];
+ (items->mask[INTEL_PT_GP_REGS_POS] ||
+ items->mask[INTEL_PT_XMM_POS])) {
u64 regs_mask = evsel->core.attr.sample_regs_intr;
u64 *pos;
@@ -1898,14 +1906,8 @@
ptq->have_sample = false;
- if (ptq->state->tot_cyc_cnt > ptq->ipc_cyc_cnt) {
- /*
- * Cycle count and instruction count only go together to create
- * a valid IPC ratio when the cycle count changes.
- */
- ptq->ipc_insn_cnt = ptq->state->tot_insn_cnt;
- ptq->ipc_cyc_cnt = ptq->state->tot_cyc_cnt;
- }
+ ptq->ipc_insn_cnt = ptq->state->tot_insn_cnt;
+ ptq->ipc_cyc_cnt = ptq->state->tot_cyc_cnt;
/*
* Do PEBS first to allow for the possibility that the PEBS timestamp
@@ -2487,10 +2489,8 @@
tid = sample->tid;
}
- if (tid == -1) {
- pr_err("context_switch event has no tid\n");
- return -EINVAL;
- }
+ if (tid == -1)
+ intel_pt_log("context_switch event has no tid\n");
intel_pt_log("context_switch: cpu %d pid %d tid %d time %"PRIu64" tsc %#"PRIx64"\n",
cpu, pid, tid, sample->time, perf_time_to_tsc(sample->time,