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[PATCH v4 2/2] hw/mips/gt64xxx: Remove dynamic field width from trace ev


From: Philippe Mathieu-Daudé
Subject: [PATCH v4 2/2] hw/mips/gt64xxx: Remove dynamic field width from trace events
Date: Mon, 18 Nov 2019 23:27:46 +0100

Since not all trace backends support dynamic field width in
format (dtrace via stap does not), replace by a static field
width instead.

We previously passed to the trace API 'width << 1' as the number
of hex characters to display (the dynamic field width). We don't
need this anymore. Instead, display the size of bytes accessed.

Fixes: ab6bff424f (gt64xxx_pci: Convert debug printf to trace events)
Reported-by: Eric Blake <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Buglink: https://bugs.launchpad.net/qemu/+bug/1844817
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
v2: Do not update qemu_log_mask()
v3: display size (in byte)
v4: added Fixes/Reviewed-by
---
 hw/mips/gt64xxx_pci.c | 16 ++++++++--------
 hw/mips/trace-events  |  4 ++--
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/hw/mips/gt64xxx_pci.c b/hw/mips/gt64xxx_pci.c
index 5cab9c1ee1..f1af840d8e 100644
--- a/hw/mips/gt64xxx_pci.c
+++ b/hw/mips/gt64xxx_pci.c
@@ -642,19 +642,19 @@ static void gt64120_writel(void *opaque, hwaddr addr,
         /* not really implemented */
         s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe));
         s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe);
-        trace_gt64120_write("INTRCAUSE", size << 1, val);
+        trace_gt64120_write("INTRCAUSE", size, val);
         break;
     case GT_INTRMASK:
         s->regs[saddr] = val & 0x3c3ffffe;
-        trace_gt64120_write("INTRMASK", size << 1, val);
+        trace_gt64120_write("INTRMASK", size, val);
         break;
     case GT_PCI0_ICMASK:
         s->regs[saddr] = val & 0x03fffffe;
-        trace_gt64120_write("ICMASK", size << 1, val);
+        trace_gt64120_write("ICMASK", size, val);
         break;
     case GT_PCI0_SERR0MASK:
         s->regs[saddr] = val & 0x0000003f;
-        trace_gt64120_write("SERR0MASK", size << 1, val);
+        trace_gt64120_write("SERR0MASK", size, val);
         break;
 
     /* Reserved when only PCI_0 is configured. */
@@ -930,19 +930,19 @@ static uint64_t gt64120_readl(void *opaque,
     /* Interrupts */
     case GT_INTRCAUSE:
         val = s->regs[saddr];
-        trace_gt64120_read("INTRCAUSE", size << 1, val);
+        trace_gt64120_read("INTRCAUSE", size, val);
         break;
     case GT_INTRMASK:
         val = s->regs[saddr];
-        trace_gt64120_read("INTRMASK", size << 1, val);
+        trace_gt64120_read("INTRMASK", size, val);
         break;
     case GT_PCI0_ICMASK:
         val = s->regs[saddr];
-        trace_gt64120_read("ICMASK", size << 1, val);
+        trace_gt64120_read("ICMASK", size, val);
         break;
     case GT_PCI0_SERR0MASK:
         val = s->regs[saddr];
-        trace_gt64120_read("SERR0MASK", size << 1, val);
+        trace_gt64120_read("SERR0MASK", size, val);
         break;
 
     /* Reserved when only PCI_0 is configured. */
diff --git a/hw/mips/trace-events b/hw/mips/trace-events
index 75d4c73f2e..321933283f 100644
--- a/hw/mips/trace-events
+++ b/hw/mips/trace-events
@@ -1,4 +1,4 @@
 # gt64xxx.c
-gt64120_read(const char *regname, int width, uint64_t value) "gt64120 read %s 
value:0x%0*" PRIx64
-gt64120_write(const char *regname, int width, uint64_t value) "gt64120 write 
%s value:0x%0*" PRIx64
+gt64120_read(const char *regname, unsigned size, uint64_t value) "gt64120 read 
%s size:%u value:0x%08" PRIx64
+gt64120_write(const char *regname, unsigned size, uint64_t value) "gt64120 
write %s size:%u value:0x%08" PRIx64
 gt64120_isd_remap(uint64_t from_length, uint64_t from_addr, uint64_t 
to_length, uint64_t to_addr) "ISD: 0x%08" PRIx64 "@0x%08" PRIx64 " -> 0x%08" 
PRIx64 "@0x%08" PRIx64
-- 
2.21.0




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