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[PATCH] xive: Add trace events
From: |
Cédric Le Goater |
Subject: |
[PATCH] xive: Add trace events |
Date: |
Mon, 23 Nov 2020 17:37:17 +0100 |
I have been keeping those logging messages in an ugly form for
while. Make them clean !
Beware not to activate all of them, this is really verbose.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
hw/intc/spapr_xive.c | 27 +++++++++++++++++++++++++++
hw/intc/xive.c | 40 +++++++++++++++++++++++++++++++++++++---
hw/intc/trace-events | 26 ++++++++++++++++++++++++++
3 files changed, 90 insertions(+), 3 deletions(-)
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c
index 1fa09f287ac0..644cc85cbdc9 100644
--- a/hw/intc/spapr_xive.c
+++ b/hw/intc/spapr_xive.c
@@ -24,6 +24,7 @@
#include "hw/ppc/xive.h"
#include "hw/ppc/xive_regs.h"
#include "hw/qdev-properties.h"
+#include "trace.h"
/*
* XIVE Virtualization Controller BAR and Thread Managment BAR that we
@@ -900,6 +901,8 @@ static target_ulong h_int_get_source_info(PowerPCCPU *cpu,
target_ulong flags = args[0];
target_ulong lisn = args[1];
+ trace_spapr_xive_get_source_info(flags, lisn);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1015,6 +1018,8 @@ static target_ulong h_int_set_source_config(PowerPCCPU
*cpu,
uint8_t end_blk;
uint32_t end_idx;
+ trace_spapr_xive_set_source_config(flags, lisn, target, priority, eisn);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1120,6 +1125,8 @@ static target_ulong h_int_get_source_config(PowerPCCPU
*cpu,
uint8_t nvt_blk;
uint32_t end_idx, nvt_idx;
+ trace_spapr_xive_get_source_config(flags, lisn);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1194,6 +1201,8 @@ static target_ulong h_int_get_queue_info(PowerPCCPU *cpu,
uint8_t end_blk;
uint32_t end_idx;
+ trace_spapr_xive_get_queue_info(flags, target, priority);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1281,6 +1290,8 @@ static target_ulong h_int_set_queue_config(PowerPCCPU
*cpu,
uint8_t end_blk, nvt_blk;
uint32_t end_idx, nvt_idx;
+ trace_spapr_xive_set_queue_config(flags, target, priority, qpage, qsize);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1448,6 +1459,8 @@ static target_ulong h_int_get_queue_config(PowerPCCPU
*cpu,
uint8_t end_blk;
uint32_t end_idx;
+ trace_spapr_xive_get_queue_config(flags, target, priority);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1541,6 +1554,10 @@ static target_ulong
h_int_set_os_reporting_line(PowerPCCPU *cpu,
target_ulong opcode,
target_ulong *args)
{
+ target_ulong flags = args[0];
+
+ trace_spapr_xive_set_os_reporting_line(flags);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1577,6 +1594,10 @@ static target_ulong
h_int_get_os_reporting_line(PowerPCCPU *cpu,
target_ulong opcode,
target_ulong *args)
{
+ target_ulong flags = args[0];
+
+ trace_spapr_xive_get_os_reporting_line(flags);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1629,6 +1650,8 @@ static target_ulong h_int_esb(PowerPCCPU *cpu,
hwaddr mmio_addr;
XiveSource *xsrc = &xive->source;
+ trace_spapr_xive_esb(flags, lisn, offset, data);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1698,6 +1721,8 @@ static target_ulong h_int_sync(PowerPCCPU *cpu,
target_ulong flags = args[0];
target_ulong lisn = args[1];
+ trace_spapr_xive_sync(flags, lisn);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
@@ -1763,6 +1788,8 @@ static target_ulong h_int_reset(PowerPCCPU *cpu,
SpaprXive *xive = spapr->xive;
target_ulong flags = args[0];
+ trace_spapr_xive_reset(flags);
+
if (!spapr_ovec_test(spapr->ov5_cas, OV5_XIVE_EXPLOIT)) {
return H_FUNCTION;
}
diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index 489e6256ef70..fa8c3d82877f 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -21,6 +21,7 @@
#include "hw/irq.h"
#include "hw/ppc/xive.h"
#include "hw/ppc/xive_regs.h"
+#include "trace.h"
/*
* XIVE Thread Interrupt Management context
@@ -93,6 +94,10 @@ static uint64_t xive_tctx_accept(XiveTCTX *tctx, uint8_t
ring)
/* Drop Exception bit */
regs[TM_NSR] &= ~mask;
+
+ trace_xive_tctx_accept(tctx->cs->cpu_index, ring,
+ regs[TM_IPB], regs[TM_PIPR],
+ regs[TM_CPPR], regs[TM_NSR]);
}
return (nsr << 8) | regs[TM_CPPR];
@@ -113,12 +118,21 @@ static void xive_tctx_notify(XiveTCTX *tctx, uint8_t ring)
default:
g_assert_not_reached();
}
+ trace_xive_tctx_notify(tctx->cs->cpu_index, ring,
+ regs[TM_IPB], regs[TM_PIPR],
+ regs[TM_CPPR], regs[TM_NSR]);
qemu_irq_raise(xive_tctx_output(tctx, ring));
}
}
static void xive_tctx_set_cppr(XiveTCTX *tctx, uint8_t ring, uint8_t cppr)
{
+ uint8_t *regs = &tctx->regs[ring];
+
+ trace_xive_tctx_set_cppr(tctx->cs->cpu_index, ring,
+ regs[TM_IPB], regs[TM_PIPR],
+ cppr, regs[TM_NSR]);
+
if (cppr > XIVE_PRIORITY_MAX) {
cppr = 0xff;
}
@@ -508,6 +522,8 @@ void xive_tctx_tm_write(XivePresenter *xptr, XiveTCTX
*tctx, hwaddr offset,
{
const XiveTmOp *xto;
+ trace_xive_tctx_tm_write(offset, size, value);
+
/*
* TODO: check V bit in Q[0-3]W2
*/
@@ -545,6 +561,7 @@ uint64_t xive_tctx_tm_read(XivePresenter *xptr, XiveTCTX
*tctx, hwaddr offset,
unsigned size)
{
const XiveTmOp *xto;
+ uint64_t ret;
/*
* TODO: check V bit in Q[0-3]W2
@@ -560,7 +577,8 @@ uint64_t xive_tctx_tm_read(XivePresenter *xptr, XiveTCTX
*tctx, hwaddr offset,
"@%"HWADDR_PRIx"\n", offset);
return -1;
}
- return xto->read_handler(xptr, tctx, offset, size);
+ ret = xto->read_handler(xptr, tctx, offset, size);
+ goto out;
}
/*
@@ -568,13 +586,17 @@ uint64_t xive_tctx_tm_read(XivePresenter *xptr, XiveTCTX
*tctx, hwaddr offset,
*/
xto = xive_tm_find_op(offset, size, false);
if (xto) {
- return xto->read_handler(xptr, tctx, offset, size);
+ ret = xto->read_handler(xptr, tctx, offset, size);
+ goto out;
}
/*
* Finish with raw access to the register values
*/
- return xive_tm_raw_read(tctx, offset, size);
+ ret = xive_tm_raw_read(tctx, offset, size);
+out:
+ trace_xive_tctx_tm_read(offset, size, ret);
+ return ret;
}
static char *xive_tctx_ring_print(uint8_t *ring)
@@ -1005,6 +1027,8 @@ static uint64_t xive_source_esb_read(void *opaque, hwaddr
addr, unsigned size)
offset);
}
+ trace_xive_source_esb_read(addr, srcno, ret);
+
return ret;
}
@@ -1030,6 +1054,8 @@ static void xive_source_esb_write(void *opaque, hwaddr
addr,
uint32_t srcno = addr >> xsrc->esb_shift;
bool notify = false;
+ trace_xive_source_esb_write(addr, srcno, value);
+
/* In a two pages ESB MMIO setting, trigger page only triggers */
if (xive_source_is_trigger_page(xsrc, addr)) {
notify = xive_source_esb_trigger(xsrc, srcno);
@@ -1507,6 +1533,7 @@ static bool xive_presenter_notify(XiveFabric *xfb,
uint8_t format,
/* handle CPU exception delivery */
if (count) {
+ trace_xive_presenter_notify(nvt_blk, nvt_idx, match.ring);
xive_tctx_ipb_update(match.tctx, match.ring,
priority_to_ipb(priority));
}
@@ -1558,6 +1585,7 @@ static void xive_router_end_notify(XiveRouter *xrtr,
uint8_t end_blk,
}
if (!xive_end_is_valid(&end)) {
+ trace_xive_router_end_notify(end_blk, end_idx, end_data);
qemu_log_mask(LOG_GUEST_ERROR, "XIVE: END %x/%x is invalid\n",
end_blk, end_idx);
return;
@@ -1683,6 +1711,10 @@ do_escalation:
}
}
+ trace_xive_router_end_escalate(end_blk, end_idx,
+ (uint8_t) xive_get_field32(END_W4_ESC_END_BLOCK, end.w4),
+ (uint32_t) xive_get_field32(END_W4_ESC_END_INDEX, end.w4),
+ (uint32_t) xive_get_field32(END_W5_ESC_END_DATA, end.w5));
/*
* The END trigger becomes an Escalation trigger
*/
@@ -1796,6 +1828,8 @@ static uint64_t xive_end_source_read(void *opaque, hwaddr
addr, unsigned size)
end_blk = xive_router_get_block_id(xsrc->xrtr);
end_idx = addr >> (xsrc->esb_shift + 1);
+ trace_xive_end_source_read(end_blk, end_idx, addr);
+
if (xive_router_get_end(xsrc->xrtr, end_blk, end_idx, &end)) {
qemu_log_mask(LOG_GUEST_ERROR, "XIVE: No END %x/%x\n", end_blk,
end_idx);
diff --git a/hw/intc/trace-events b/hw/intc/trace-events
index 22782b3f089b..77addc100f72 100644
--- a/hw/intc/trace-events
+++ b/hw/intc/trace-events
@@ -203,3 +203,29 @@ heathrow_set_irq(int num, int level) "set_irq: num=0x%02x
level=%d"
# bcm2835_ic.c
bcm2835_ic_set_gpu_irq(int irq, int level) "GPU irq #%d level %d"
bcm2835_ic_set_cpu_irq(int irq, int level) "CPU irq #%d level %d"
+
+# spapr_xive.c
+spapr_xive_get_source_info(uint64_t flags, uint64_t lisn) "flags=0x%"PRIx64"
lisn=0x%"PRIx64
+spapr_xive_set_source_config(uint64_t flags, uint64_t lisn, uint64_t target,
uint64_t priority, uint64_t eisn) "flags=0x%"PRIx64" lisn=0x%"PRIx64"
target=0x%"PRIx64" priority=0x%"PRIx64" eisn=0x%"PRIx64
+spapr_xive_get_source_config(uint64_t flags, uint64_t lisn) "flags=0x%"PRIx64"
lisn=0x%"PRIx64
+spapr_xive_get_queue_info(uint64_t flags, uint64_t target, uint64_t priority)
"flags=0x%"PRIx64" target=0x%"PRIx64" priority=0x%"PRIx64
+spapr_xive_set_queue_config(uint64_t flags, uint64_t target, uint64_t
priority, uint64_t qpage, uint64_t qsize) "flags=0x%"PRIx64" target=0x%"PRIx64"
priority=0x%"PRIx64" qpage=0x%"PRIx64" qsize=0x%"PRIx64
+spapr_xive_get_queue_config(uint64_t flags, uint64_t target, uint64_t
priority) "flags=0x%"PRIx64" target=0x%"PRIx64" priority=0x%"PRIx64
+spapr_xive_set_os_reporting_line(uint64_t flags) "flags=0x%"PRIx64
+spapr_xive_get_os_reporting_line(uint64_t flags) "flags=0x%"PRIx64
+spapr_xive_esb(uint64_t flags, uint64_t lisn, uint64_t offset, uint64_t data)
"flags=0x%"PRIx64" lisn=0x%"PRIx64" offset=0x%"PRIx64" data=0x%"PRIx64
+spapr_xive_sync(uint64_t flags, uint64_t lisn) "flags=0x%"PRIx64"
lisn=0x%"PRIx64
+spapr_xive_reset(uint64_t flags) "flags=0x%"PRIx64
+
+# xive.c
+xive_tctx_accept(uint32_t index, uint8_t ring, uint8_t ipb, uint8_t pipr,
uint8_t cppr, uint8_t nsr) "target=%d ring=0x%x IBP=0x%02x PIPR=0x%02x
CPPR=0x%02x NSR=0x%02x ACK"
+xive_tctx_notify(uint32_t index, uint8_t ring, uint8_t ipb, uint8_t pipr,
uint8_t cppr, uint8_t nsr) "target=%d ring=0x%x IBP=0x%02x PIPR=0x%02x
CPPR=0x%02x NSR=0x%02x raise !"
+xive_tctx_set_cppr(uint32_t index, uint8_t ring, uint8_t ipb, uint8_t pipr,
uint8_t cppr, uint8_t nsr) "target=%d ring=0x%x IBP=0x%02x PIPR=0x%02x new
CPPR=0x%02x NSR=0x%02x"
+xive_source_esb_read(uint64_t addr, uint32_t srcno, uint64_t value)
"@0x0x%"PRIx64" IRQ 0x%x val=0x0x%"PRIx64
+xive_source_esb_write(uint64_t addr, uint32_t srcno, uint64_t value)
"@0x0x%"PRIx64" IRQ 0x%x val=0x0x%"PRIx64
+xive_router_end_notify(uint8_t end_blk, uint32_t end_idx, uint32_t end_data)
"END 0x%02x/0x%04x -> enqueue 0x%08x"
+xive_router_end_escalate(uint8_t end_blk, uint32_t end_idx, uint8_t esc_blk,
uint32_t esc_idx, uint32_t end_data) "END 0x%02x/0x%04x -> escalate END
0x%02x/0x%04x data 0x%08x"
+xive_tctx_tm_write(uint64_t offset, unsigned int size, uint64_t value)
"@0x0x%"PRIx64" sz=%d val=0x%" PRIx64
+xive_tctx_tm_read(uint64_t offset, unsigned int size, uint64_t value)
"@0x0x%"PRIx64" sz=%d val=0x%" PRIx64
+xive_presenter_notify(uint8_t nvt_blk, uint32_t nvt_idx, uint8_t ring) "found
NVT 0x%x/0x%x ring=0x%x"
+xive_end_source_read(uint8_t end_blk, uint32_t end_idx, uint64_t addr) "END
0x%x/0x%x @0x0x%"PRIx64
--
2.26.2
- [PATCH] xive: Add trace events,
Cédric Le Goater <=