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-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c32
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c40
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h3
3 files changed, 75 insertions, 0 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 0e013c2d9eb4..3980ee2080ae 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -820,6 +820,9 @@ static int intel_pt_calc_cyc_cb(struct intel_pt_pkt_info *pkt_info)
case INTEL_PT_BIP:
case INTEL_PT_BEP:
case INTEL_PT_BEP_IP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
return 0;
case INTEL_PT_MTC:
@@ -1873,6 +1876,9 @@ static int intel_pt_walk_psbend(struct intel_pt_decoder *decoder)
case INTEL_PT_BIP:
case INTEL_PT_BEP:
case INTEL_PT_BEP_IP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
decoder->have_tma = false;
intel_pt_log("ERROR: Unexpected packet\n");
err = -EAGAIN;
@@ -1975,6 +1981,9 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
case INTEL_PT_BIP:
case INTEL_PT_BEP:
case INTEL_PT_BEP_IP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
intel_pt_log("ERROR: Missing TIP after FUP\n");
decoder->pkt_state = INTEL_PT_STATE_ERR3;
decoder->pkt_step = 0;
@@ -2134,6 +2143,9 @@ static int intel_pt_vm_psb_lookahead_cb(struct intel_pt_pkt_info *pkt_info)
case INTEL_PT_TIP:
case INTEL_PT_PSB:
case INTEL_PT_TRACESTOP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
default:
return 1;
}
@@ -2653,6 +2665,9 @@ static int intel_pt_vm_time_correlation(struct intel_pt_decoder *decoder)
decoder->blk_type = 0;
break;
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
case INTEL_PT_MODE_EXEC:
case INTEL_PT_MODE_TSX:
case INTEL_PT_MNT:
@@ -2789,6 +2804,9 @@ static int intel_pt_hop_trace(struct intel_pt_decoder *decoder, bool *no_tip, in
case INTEL_PT_BIP:
case INTEL_PT_BEP:
case INTEL_PT_BEP_IP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
default:
return HOP_PROCESS;
}
@@ -2857,6 +2875,9 @@ static int intel_pt_psb_lookahead_cb(struct intel_pt_pkt_info *pkt_info)
case INTEL_PT_BIP:
case INTEL_PT_BEP:
case INTEL_PT_BEP_IP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
if (data->after_psbend) {
data->after_psbend -= 1;
if (!data->after_psbend)
@@ -3223,6 +3244,11 @@ next:
}
goto next;
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
+ break;
+
default:
return intel_pt_bug(decoder);
}
@@ -3265,6 +3291,9 @@ static int intel_pt_walk_psb(struct intel_pt_decoder *decoder)
case INTEL_PT_BIP:
case INTEL_PT_BEP:
case INTEL_PT_BEP_IP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
intel_pt_log("ERROR: Unexpected packet\n");
err = -ENOENT;
goto out;
@@ -3476,6 +3505,9 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder)
case INTEL_PT_BIP:
case INTEL_PT_BEP:
case INTEL_PT_BEP_IP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
default:
break;
}
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
index fada96746705..885174964c27 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
@@ -64,6 +64,9 @@ static const char * const packet_name[] = {
[INTEL_PT_BIP] = "BIP",
[INTEL_PT_BEP] = "BEP",
[INTEL_PT_BEP_IP] = "BEP",
+ [INTEL_PT_CFE] = "CFE",
+ [INTEL_PT_CFE_IP] = "CFE",
+ [INTEL_PT_EVD] = "EVD",
};
const char *intel_pt_pkt_name(enum intel_pt_pkt_type type)
@@ -328,6 +331,29 @@ static int intel_pt_get_bep_ip(size_t len, struct intel_pt_pkt *packet)
return 2;
}
+static int intel_pt_get_cfe(const unsigned char *buf, size_t len,
+ struct intel_pt_pkt *packet)
+{
+ if (len < 4)
+ return INTEL_PT_NEED_MORE_BYTES;
+ packet->type = buf[2] & 0x80 ? INTEL_PT_CFE_IP : INTEL_PT_CFE;
+ packet->count = buf[2] & 0x1f;
+ packet->payload = buf[3];
+ return 4;
+}
+
+static int intel_pt_get_evd(const unsigned char *buf, size_t len,
+ struct intel_pt_pkt *packet)
+{
+ if (len < 11)
+ return INTEL_PT_NEED_MORE_BYTES;
+ packet->type = INTEL_PT_EVD;
+ packet->count = buf[2] & 0x3f;
+ packet->payload = buf[3];
+ memcpy_le64(&packet->payload, buf + 3, 8);
+ return 11;
+}
+
static int intel_pt_get_ext(const unsigned char *buf, size_t len,
struct intel_pt_pkt *packet)
{
@@ -374,6 +400,10 @@ static int intel_pt_get_ext(const unsigned char *buf, size_t len,
return intel_pt_get_bep(len, packet);
case 0xb3: /* BEP with IP */
return intel_pt_get_bep_ip(len, packet);
+ case 0x13: /* CFE */
+ return intel_pt_get_cfe(buf, len, packet);
+ case 0x53: /* EVD */
+ return intel_pt_get_evd(buf, len, packet);
default:
return INTEL_PT_BAD_PACKET;
}
@@ -623,6 +653,9 @@ void intel_pt_upd_pkt_ctx(const struct intel_pt_pkt *packet,
case INTEL_PT_MWAIT:
case INTEL_PT_BEP:
case INTEL_PT_BEP_IP:
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ case INTEL_PT_EVD:
*ctx = INTEL_PT_NO_CTX;
break;
case INTEL_PT_BBP:
@@ -750,6 +783,13 @@ int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf,
case INTEL_PT_BIP:
return snprintf(buf, buf_len, "%s ID 0x%02x Value 0x%llx",
name, packet->count, payload);
+ case INTEL_PT_CFE:
+ case INTEL_PT_CFE_IP:
+ return snprintf(buf, buf_len, "%s IP:%d Type 0x%02x Vector 0x%llx",
+ name, packet->type == INTEL_PT_CFE_IP, packet->count, payload);
+ case INTEL_PT_EVD:
+ return snprintf(buf, buf_len, "%s Type 0x%02x Payload 0x%llx",
+ name, packet->count, payload);
default:
break;
}
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h
index 996090cb84f6..496ba4be875c 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h
@@ -56,6 +56,9 @@ enum intel_pt_pkt_type {
INTEL_PT_BIP,
INTEL_PT_BEP,
INTEL_PT_BEP_IP,
+ INTEL_PT_CFE,
+ INTEL_PT_CFE_IP,
+ INTEL_PT_EVD,
};
struct intel_pt_pkt {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.