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Diffstat (limited to 'tools/perf/util/intel-pt-decoder/intel-pt-decoder.c')
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c176
1 files changed, 168 insertions, 8 deletions
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index dacb9223e743..e42804d10001 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -158,8 +158,15 @@ struct intel_pt_decoder {
bool continuous_period;
bool overflow;
bool set_fup_tx_flags;
+ bool set_fup_ptw;
+ bool set_fup_mwait;
+ bool set_fup_pwre;
+ bool set_fup_exstop;
unsigned int fup_tx_flags;
unsigned int tx_flags;
+ uint64_t fup_ptw_payload;
+ uint64_t fup_mwait_payload;
+ uint64_t fup_pwre_payload;
uint64_t timestamp_insn_cnt;
uint64_t sample_insn_cnt;
uint64_t stuck_ip;
@@ -660,6 +667,8 @@ static int intel_pt_calc_cyc_cb(struct intel_pt_pkt_info *pkt_info)
case INTEL_PT_PAD:
case INTEL_PT_VMCS:
case INTEL_PT_MNT:
+ case INTEL_PT_PTWRITE:
+ case INTEL_PT_PTWRITE_IP:
return 0;
case INTEL_PT_MTC:
@@ -758,6 +767,11 @@ static int intel_pt_calc_cyc_cb(struct intel_pt_pkt_info *pkt_info)
case INTEL_PT_TIP_PGD:
case INTEL_PT_TRACESTOP:
+ case INTEL_PT_EXSTOP:
+ case INTEL_PT_EXSTOP_IP:
+ case INTEL_PT_MWAIT:
+ case INTEL_PT_PWRE:
+ case INTEL_PT_PWRX:
case INTEL_PT_OVF:
case INTEL_PT_BAD: /* Does not happen */
default:
@@ -1016,6 +1030,57 @@ out_no_progress:
return err;
}
+static bool intel_pt_fup_event(struct intel_pt_decoder *decoder)
+{
+ bool ret = false;
+
+ if (decoder->set_fup_tx_flags) {
+ decoder->set_fup_tx_flags = false;
+ decoder->tx_flags = decoder->fup_tx_flags;
+ decoder->state.type = INTEL_PT_TRANSACTION;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ decoder->state.flags = decoder->fup_tx_flags;
+ return true;
+ }
+ if (decoder->set_fup_ptw) {
+ decoder->set_fup_ptw = false;
+ decoder->state.type = INTEL_PT_PTW;
+ decoder->state.flags |= INTEL_PT_FUP_IP;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ decoder->state.ptw_payload = decoder->fup_ptw_payload;
+ return true;
+ }
+ if (decoder->set_fup_mwait) {
+ decoder->set_fup_mwait = false;
+ decoder->state.type = INTEL_PT_MWAIT_OP;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ decoder->state.mwait_payload = decoder->fup_mwait_payload;
+ ret = true;
+ }
+ if (decoder->set_fup_pwre) {
+ decoder->set_fup_pwre = false;
+ decoder->state.type |= INTEL_PT_PWR_ENTRY;
+ decoder->state.type &= ~INTEL_PT_BRANCH;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ decoder->state.pwre_payload = decoder->fup_pwre_payload;
+ ret = true;
+ }
+ if (decoder->set_fup_exstop) {
+ decoder->set_fup_exstop = false;
+ decoder->state.type |= INTEL_PT_EX_STOP;
+ decoder->state.type &= ~INTEL_PT_BRANCH;
+ decoder->state.flags |= INTEL_PT_FUP_IP;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ ret = true;
+ }
+ return ret;
+}
+
static int intel_pt_walk_fup(struct intel_pt_decoder *decoder)
{
struct intel_pt_insn intel_pt_insn;
@@ -1029,15 +1094,8 @@ static int intel_pt_walk_fup(struct intel_pt_decoder *decoder)
if (err == INTEL_PT_RETURN)
return 0;
if (err == -EAGAIN) {
- if (decoder->set_fup_tx_flags) {
- decoder->set_fup_tx_flags = false;
- decoder->tx_flags = decoder->fup_tx_flags;
- decoder->state.type = INTEL_PT_TRANSACTION;
- decoder->state.from_ip = decoder->ip;
- decoder->state.to_ip = 0;
- decoder->state.flags = decoder->fup_tx_flags;
+ if (intel_pt_fup_event(decoder))
return 0;
- }
return err;
}
decoder->set_fup_tx_flags = false;
@@ -1443,6 +1501,13 @@ static int intel_pt_walk_psbend(struct intel_pt_decoder *decoder)
case INTEL_PT_TRACESTOP:
case INTEL_PT_BAD:
case INTEL_PT_PSB:
+ case INTEL_PT_PTWRITE:
+ case INTEL_PT_PTWRITE_IP:
+ case INTEL_PT_EXSTOP:
+ case INTEL_PT_EXSTOP_IP:
+ case INTEL_PT_MWAIT:
+ case INTEL_PT_PWRE:
+ case INTEL_PT_PWRX:
decoder->have_tma = false;
intel_pt_log("ERROR: Unexpected packet\n");
return -EAGAIN;
@@ -1524,6 +1589,13 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
case INTEL_PT_MODE_TSX:
case INTEL_PT_BAD:
case INTEL_PT_PSBEND:
+ case INTEL_PT_PTWRITE:
+ case INTEL_PT_PTWRITE_IP:
+ case INTEL_PT_EXSTOP:
+ case INTEL_PT_EXSTOP_IP:
+ case INTEL_PT_MWAIT:
+ case INTEL_PT_PWRE:
+ case INTEL_PT_PWRX:
intel_pt_log("ERROR: Missing TIP after FUP\n");
decoder->pkt_state = INTEL_PT_STATE_ERR3;
return -ENOENT;
@@ -1654,8 +1726,13 @@ next:
intel_pt_set_last_ip(decoder);
if (!decoder->branch_enable) {
decoder->ip = decoder->last_ip;
+ if (intel_pt_fup_event(decoder))
+ return 0;
+ no_tip = false;
break;
}
+ if (decoder->set_fup_mwait)
+ no_tip = true;
err = intel_pt_walk_fup(decoder);
if (err != -EAGAIN) {
if (err)
@@ -1755,6 +1832,71 @@ next:
case INTEL_PT_PAD:
break;
+ case INTEL_PT_PTWRITE_IP:
+ decoder->fup_ptw_payload = decoder->packet.payload;
+ err = intel_pt_get_next_packet(decoder);
+ if (err)
+ return err;
+ if (decoder->packet.type == INTEL_PT_FUP) {
+ decoder->set_fup_ptw = true;
+ no_tip = true;
+ } else {
+ intel_pt_log_at("ERROR: Missing FUP after PTWRITE",
+ decoder->pos);
+ }
+ goto next;
+
+ case INTEL_PT_PTWRITE:
+ decoder->state.type = INTEL_PT_PTW;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ decoder->state.ptw_payload = decoder->packet.payload;
+ return 0;
+
+ case INTEL_PT_MWAIT:
+ decoder->fup_mwait_payload = decoder->packet.payload;
+ decoder->set_fup_mwait = true;
+ break;
+
+ case INTEL_PT_PWRE:
+ if (decoder->set_fup_mwait) {
+ decoder->fup_pwre_payload =
+ decoder->packet.payload;
+ decoder->set_fup_pwre = true;
+ break;
+ }
+ decoder->state.type = INTEL_PT_PWR_ENTRY;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ decoder->state.pwrx_payload = decoder->packet.payload;
+ return 0;
+
+ case INTEL_PT_EXSTOP_IP:
+ err = intel_pt_get_next_packet(decoder);
+ if (err)
+ return err;
+ if (decoder->packet.type == INTEL_PT_FUP) {
+ decoder->set_fup_exstop = true;
+ no_tip = true;
+ } else {
+ intel_pt_log_at("ERROR: Missing FUP after EXSTOP",
+ decoder->pos);
+ }
+ goto next;
+
+ case INTEL_PT_EXSTOP:
+ decoder->state.type = INTEL_PT_EX_STOP;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ return 0;
+
+ case INTEL_PT_PWRX:
+ decoder->state.type = INTEL_PT_PWR_EXIT;
+ decoder->state.from_ip = decoder->ip;
+ decoder->state.to_ip = 0;
+ decoder->state.pwrx_payload = decoder->packet.payload;
+ return 0;
+
default:
return intel_pt_bug(decoder);
}
@@ -1784,6 +1926,13 @@ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder)
__fallthrough;
case INTEL_PT_TIP_PGE:
case INTEL_PT_TIP:
+ case INTEL_PT_PTWRITE:
+ case INTEL_PT_PTWRITE_IP:
+ case INTEL_PT_EXSTOP:
+ case INTEL_PT_EXSTOP_IP:
+ case INTEL_PT_MWAIT:
+ case INTEL_PT_PWRE:
+ case INTEL_PT_PWRX:
intel_pt_log("ERROR: Unexpected packet\n");
return -ENOENT;
@@ -1958,6 +2107,13 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder)
case INTEL_PT_VMCS:
case INTEL_PT_MNT:
case INTEL_PT_PAD:
+ case INTEL_PT_PTWRITE:
+ case INTEL_PT_PTWRITE_IP:
+ case INTEL_PT_EXSTOP:
+ case INTEL_PT_EXSTOP_IP:
+ case INTEL_PT_MWAIT:
+ case INTEL_PT_PWRE:
+ case INTEL_PT_PWRX:
default:
break;
}
@@ -1969,6 +2125,10 @@ static int intel_pt_sync_ip(struct intel_pt_decoder *decoder)
int err;
decoder->set_fup_tx_flags = false;
+ decoder->set_fup_ptw = false;
+ decoder->set_fup_mwait = false;
+ decoder->set_fup_pwre = false;
+ decoder->set_fup_exstop = false;
if (!decoder->branch_enable) {
decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 10:56:21 +0100