@@ -37,7 +37,7 @@ void __udelay(unsigned long usec)
os_usleep(usec);
}
-unsigned long timer_get_us(void)
+unsigned long __attribute__((no_instrument_function)) timer_get_us(void)
{
return os_get_nsec() / 1000;
}
@@ -152,7 +152,7 @@ void os_usleep(unsigned long usec)
usleep(usec);
}
-u64 os_get_nsec(void)
+u64 __attribute__((no_instrument_function)) os_get_nsec(void)
{
#if defined(CLOCK_MONOTONIC) && defined(_POSIX_MONOTONIC_CLOCK)
struct timespec tp;
@@ -22,6 +22,19 @@
#ifndef __CONFIG_H
#define __CONFIG_H
+#ifdef FTRACE
+#define CONFIG_TRACE
+#define CONFIG_CMD_TRACE
+#define CONFIG_TRACE_BUFFER_SIZE (16 << 20)
+#define CONFIG_TRACE_EARLY_SIZE (8 << 20)
+#define CONFIG_TRACE_EARLY
+#define CONFIG_TRACE_EARLY_ADDR 0x00100000
+
+#endif
+
+#define CONFIG_BOOTSTAGE
+#define CONFIG_BOOTSTAGE_REPORT
+
/* Number of bits in a C 'long' on this architecture */
#define CONFIG_SANDBOX_BITS_PER_LONG 64
Support tracing on sandbox by adding suitable CONFIG options. To enable it, compile U-Boot with FTRACE=1. The timer functions are marked to skip tracing, since these are called from the tracing code itself, and we want to avoid an infinite loop. Signed-off-by: Simon Glass <sjg@chromium.org> --- arch/sandbox/cpu/cpu.c | 2 +- arch/sandbox/cpu/os.c | 2 +- include/configs/sandbox.h | 13 +++++++++++++ 3 files changed, 15 insertions(+), 2 deletions(-)