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trace: Remove %s in grlib trace events

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Trace events cannot use %s in their format strings because trace
backends vary in how they can deference pointers (if at all).  Recording
const char * values is not meaningful if their contents are not recorded
too.

Change grlib trace events that rely on strings so that they communicate
similar information without using strings.

A follow-up patch explains this limitation and updates docs/tracing.txt.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Stefan Hajnoczi 2011-04-14 18:11:00 +01:00
parent 1a96dd472c
commit b4548fcc03
4 changed files with 22 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
hw/grlib_apbuart.c
View file

@ -133,7 +133,7 @@ grlib_apbuart_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
break;
}
trace_grlib_apbuart_unknown_register("write", addr);
trace_grlib_apbuart_writel_unknown(addr, value);
}
static CPUReadMemoryFunc * const grlib_apbuart_read[] = {

29
hw/grlib_gptimer.c
View file

@ -165,15 +165,15 @@ static uint32_t grlib_gptimer_readl(void *opaque, target_phys_addr_t addr)
/* Unit registers */
switch (addr) {
case SCALER_OFFSET:
trace_grlib_gptimer_readl(-1, "scaler:", unit->scaler);
trace_grlib_gptimer_readl(-1, addr, unit->scaler);
return unit->scaler;
case SCALER_RELOAD_OFFSET:
trace_grlib_gptimer_readl(-1, "reload:", unit->reload);
trace_grlib_gptimer_readl(-1, addr, unit->reload);
return unit->reload;
case CONFIG_OFFSET:
trace_grlib_gptimer_readl(-1, "config:", unit->config);
trace_grlib_gptimer_readl(-1, addr, unit->config);
return unit->config;
default:
@ -189,17 +189,16 @@ static uint32_t grlib_gptimer_readl(void *opaque, target_phys_addr_t addr)
switch (timer_addr) {
case COUNTER_OFFSET:
value = ptimer_get_count(unit->timers[id].ptimer);
trace_grlib_gptimer_readl(id, "counter value:", value);
trace_grlib_gptimer_readl(id, addr, value);
return value;
case COUNTER_RELOAD_OFFSET:
value = unit->timers[id].reload;
trace_grlib_gptimer_readl(id, "reload value:", value);
trace_grlib_gptimer_readl(id, addr, value);
return value;
case CONFIG_OFFSET:
trace_grlib_gptimer_readl(id, "scaler value:",
unit->timers[id].config);
trace_grlib_gptimer_readl(id, addr, unit->timers[id].config);
return unit->timers[id].config;
default:
@ -208,7 +207,7 @@ static uint32_t grlib_gptimer_readl(void *opaque, target_phys_addr_t addr)
}
trace_grlib_gptimer_unknown_register("read", addr);
trace_grlib_gptimer_readl(-1, addr, 0);
return 0;
}
@ -226,19 +225,19 @@ grlib_gptimer_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
case SCALER_OFFSET:
value &= 0xFFFF; /* clean up the value */
unit->scaler = value;
trace_grlib_gptimer_writel(-1, "scaler:", unit->scaler);
trace_grlib_gptimer_writel(-1, addr, unit->scaler);
return;
case SCALER_RELOAD_OFFSET:
value &= 0xFFFF; /* clean up the value */
unit->reload = value;
trace_grlib_gptimer_writel(-1, "reload:", unit->reload);
trace_grlib_gptimer_writel(-1, addr, unit->reload);
grlib_gptimer_set_scaler(unit, value);
return;
case CONFIG_OFFSET:
/* Read Only (disable timer freeze not supported) */
trace_grlib_gptimer_writel(-1, "config (Read Only):", 0);
trace_grlib_gptimer_writel(-1, addr, 0);
return;
default:
@ -253,18 +252,18 @@ grlib_gptimer_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
/* GPTimer registers */
switch (timer_addr) {
case COUNTER_OFFSET:
trace_grlib_gptimer_writel(id, "counter:", value);
trace_grlib_gptimer_writel(id, addr, value);
unit->timers[id].counter = value;
grlib_gptimer_enable(&unit->timers[id]);
return;
case COUNTER_RELOAD_OFFSET:
trace_grlib_gptimer_writel(id, "reload:", value);
trace_grlib_gptimer_writel(id, addr, value);
unit->timers[id].reload = value;
return;
case CONFIG_OFFSET:
trace_grlib_gptimer_writel(id, "config:", value);
trace_grlib_gptimer_writel(id, addr, value);
if (value & GPTIMER_INT_PENDING) {
/* clear pending bit */
@ -297,7 +296,7 @@ grlib_gptimer_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
}
trace_grlib_gptimer_unknown_register("write", addr);
trace_grlib_gptimer_writel(-1, addr, value);
}
static CPUReadMemoryFunc * const grlib_gptimer_read[] = {

4
hw/grlib_irqmp.c
View file

@ -220,7 +220,7 @@ static uint32_t grlib_irqmp_readl(void *opaque, target_phys_addr_t addr)
return state->extended[cpu];
}
trace_grlib_irqmp_unknown_register("read", addr);
trace_grlib_irqmp_readl_unknown(addr);
return 0;
}
@ -308,7 +308,7 @@ grlib_irqmp_writel(void *opaque, target_phys_addr_t addr, uint32_t value)
return;
}
trace_grlib_irqmp_unknown_register("write", addr);
trace_grlib_irqmp_writel_unknown(addr, value);
}
static CPUReadMemoryFunc * const grlib_irqmp_read[] = {

10
trace-events
View file

@ -235,19 +235,19 @@ disable grlib_gptimer_disabled(int id, uint32_t config) "timer:%d Timer disable
disable grlib_gptimer_restart(int id, uint32_t reload) "timer:%d reload val: 0x%x"
disable grlib_gptimer_set_scaler(uint32_t scaler, uint32_t freq) "scaler:0x%x freq: 0x%x"
disable grlib_gptimer_hit(int id) "timer:%d HIT"
disable grlib_gptimer_readl(int id, const char *s, uint32_t val) "timer:%d %s 0x%x"
disable grlib_gptimer_writel(int id, const char *s, uint32_t val) "timer:%d %s 0x%x"
disable grlib_gptimer_unknown_register(const char *op, uint64_t val) "%s unknown register 0x%"PRIx64""
disable grlib_gptimer_readl(int id, uint64_t addr, uint32_t val) "timer:%d addr 0x%"PRIx64" 0x%x"
disable grlib_gptimer_writel(int id, uint64_t addr, uint32_t val) "timer:%d addr 0x%"PRIx64" 0x%x"
# hw/grlib_irqmp.c
disable grlib_irqmp_check_irqs(uint32_t pend, uint32_t force, uint32_t mask, uint32_t lvl1, uint32_t lvl2) "pend:0x%04x force:0x%04x mask:0x%04x lvl1:0x%04x lvl0:0x%04x\n"
disable grlib_irqmp_ack(int intno) "interrupt:%d"
disable grlib_irqmp_set_irq(int irq) "Raise CPU IRQ %d"
disable grlib_irqmp_unknown_register(const char *op, uint64_t val) "%s unknown register 0x%"PRIx64""
disable grlib_irqmp_readl_unknown(uint64_t addr) "addr 0x%"PRIx64""
disable grlib_irqmp_writel_unknown(uint64_t addr, uint32_t value) "addr 0x%"PRIx64" value 0x%x"
# hw/grlib_apbuart.c
disable grlib_apbuart_event(int event) "event:%d"
disable grlib_apbuart_unknown_register(const char *op, uint64_t val) "%s unknown register 0x%"PRIx64""
disable grlib_apbuart_writel_unknown(uint64_t addr, uint32_t value) "addr 0x%"PRIx64" value 0x%x"
# hw/leon3.c
disable leon3_set_irq(int intno) "Set CPU IRQ %d"