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| author | Bob Moore <robert.moore@intel.com> | 2014-07-30 12:21:19 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-07-31 00:50:23 +0200 |
| commit | 1aae3b97cee2f4904771d61040c19693e7b1a530 (patch) | |
| tree | 9f3a1d261f27630bd51c3050c29d60644ba9d327 /drivers/acpi | |
| parent | 73bbca04867d2f75443cc7dadcf115258f06b25e (diff) | |
| download | linux-0-day-1aae3b97cee2f4904771d61040c19693e7b1a530.tar.gz linux-0-day-1aae3b97cee2f4904771d61040c19693e7b1a530.tar.xz | |
ACPICA: Debug object: Add current value of Timer() to debug line prefix.
Simplifies timing of things like control method execution.
[zetalog: fixing 64-bit division link error]
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/exdebug.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index 4cfc3d3b5c97d..6fbfad47518c8 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -75,6 +75,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, u32 level, u32 index) { u32 i; + u32 timer; ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc); @@ -86,11 +87,19 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, } /* + * We will emit the current timer value (in microseconds) with each + * debug output. Only need the lower 26 bits. This allows for 67 + * million microseconds or 67 seconds before rollover. + */ + timer = ((u32)acpi_os_get_timer() / 10); /* (100 nanoseconds to microseconds) */ + timer &= 0x03FFFFFF; + + /* * Print line header as long as we are not in the middle of an * object display */ if (!((level > 0) && index == 0)) { - acpi_os_printf("[ACPI Debug] %*s", level, " "); + acpi_os_printf("[ACPI Debug %.8u] %*s", timer, level, " "); } /* Display the index for package output only */ |