Release 4.11 drivers/acpi/acpica/utdebug.c
/******************************************************************************
*
* Module Name: utdebug - Debug print/trace routines
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2017, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#define EXPORT_ACPI_INTERFACES
#include <acpi/acpi.h>
#include "accommon.h"
#include "acinterp.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utdebug")
#ifdef ACPI_DEBUG_OUTPUT
static acpi_thread_id acpi_gbl_previous_thread_id = (acpi_thread_id) 0xFFFFFFFF;
static const char *acpi_gbl_function_entry_prefix = "----Entry";
static const char *acpi_gbl_function_exit_prefix = "----Exit-";
/*******************************************************************************
*
* FUNCTION: acpi_ut_init_stack_ptr_trace
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Save the current CPU stack pointer at subsystem startup
*
******************************************************************************/
void acpi_ut_init_stack_ptr_trace(void)
{
acpi_size current_sp;
acpi_gbl_entry_stack_pointer = ¤t_sp;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 7 | 46.67% | 1 | 25.00% |
| Linus Torvalds | 6 | 40.00% | 1 | 25.00% |
| Robert Moore | 1 | 6.67% | 1 | 25.00% |
| Len Brown | 1 | 6.67% | 1 | 25.00% |
| Total | 15 | 100.00% | 4 | 100.00% |
/*******************************************************************************
*
* FUNCTION: acpi_ut_track_stack_ptr
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Save the current CPU stack pointer
*
******************************************************************************/
void acpi_ut_track_stack_ptr(void)
{
acpi_size current_sp;
if (¤t_sp < acpi_gbl_lowest_stack_pointer) {
acpi_gbl_lowest_stack_pointer = ¤t_sp;
}
if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
acpi_gbl_deepest_nesting = acpi_gbl_nesting_level;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 28 | 77.78% | 1 | 20.00% |
| Linus Torvalds (pre-git) | 4 | 11.11% | 1 | 20.00% |
| Robert Moore | 2 | 5.56% | 1 | 20.00% |
| Andy Grover | 1 | 2.78% | 1 | 20.00% |
| Len Brown | 1 | 2.78% | 1 | 20.00% |
| Total | 36 | 100.00% | 5 | 100.00% |
/*******************************************************************************
*
* FUNCTION: acpi_ut_trim_function_name
*
* PARAMETERS: function_name - Ascii string containing a procedure name
*
* RETURN: Updated pointer to the function name
*
* DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
* This allows compiler macros such as __func__ to be used
* with no change to the debug output.
*
******************************************************************************/
static const char *acpi_ut_trim_function_name(const char *function_name)
{
/* All Function names are longer than 4 chars, check is safe */
if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
/* This is the case where the original source has not been modified */
return (function_name + 4);
}
if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
/* This is the case where the source has been 'linuxized' */
return (function_name + 5);
}
return (function_name);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 67 | 100.00% | 2 | 100.00% |
| Total | 67 | 100.00% | 2 | 100.00% |
/*******************************************************************************
*
* FUNCTION: acpi_debug_print
*
* PARAMETERS: requested_debug_level - Requested debug print level
* line_number - Caller's line number (for error output)
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* format - Printf format field
* ... - Optional printf arguments
*
* RETURN: None
*
* DESCRIPTION: Print error message with prefix consisting of the module name,
* line number, and component ID.
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_debug_print(u32 requested_debug_level,
u32 line_number,
const char *function_name,
const char *module_name,
u32 component_id, const char *format, ...)
{
acpi_thread_id thread_id;
va_list args;
/* Check if debug output enabled */
if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
return;
}
/*
* Thread tracking and context switch notification
*/
thread_id = acpi_os_get_thread_id();
if (thread_id != acpi_gbl_previous_thread_id) {
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf
("\n**** Context Switch from TID %u to TID %u ****\n\n",
(u32)acpi_gbl_previous_thread_id, (u32)thread_id);
}
acpi_gbl_previous_thread_id = thread_id;
acpi_gbl_nesting_level = 0;
}
/*
* Display the module name, current line number, thread ID (if requested),
* current procedure nesting level, and the current procedure name
*/
acpi_os_printf("%9s-%04ld ", module_name, line_number);
#ifdef ACPI_APPLICATION
/*
* For acpi_exec/iASL only, emit the thread ID and nesting level.
* Note: nesting level is really only useful during a single-thread
* execution. Otherwise, multiple threads will keep resetting the
* level.
*/
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf("[%u] ", (u32)thread_id);
}
acpi_os_printf("[%02ld] ", acpi_gbl_nesting_level);
#endif
acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name));
va_start(args, format);
acpi_os_vprintf(format, args);
va_end(args);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 83 | 49.70% | 1 | 6.25% |
| Robert Moore | 48 | 28.74% | 11 | 68.75% |
| Linus Torvalds (pre-git) | 24 | 14.37% | 2 | 12.50% |
| Lin Ming | 11 | 6.59% | 1 | 6.25% |
| Andy Grover | 1 | 0.60% | 1 | 6.25% |
| Total | 167 | 100.00% | 16 | 100.00% |
ACPI_EXPORT_SYMBOL(acpi_debug_print)
/*******************************************************************************
*
* FUNCTION: acpi_debug_print_raw
*
* PARAMETERS: requested_debug_level - Requested debug print level
* line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* format - Printf format field
* ... - Optional printf arguments
*
* RETURN: None
*
* DESCRIPTION: Print message with no headers. Has same interface as
* debug_print so that the same macros can be used.
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_debug_print_raw(u32 requested_debug_level,
u32 line_number,
const char *function_name,
const char *module_name,
u32 component_id, const char *format, ...)
{
va_list args;
/* Check if debug output enabled */
if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
return;
}
va_start(args, format);
acpi_os_vprintf(format, args);
va_end(args);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds | 27 | 39.71% | 1 | 10.00% |
| Robert Moore | 23 | 33.82% | 6 | 60.00% |
| Linus Torvalds (pre-git) | 17 | 25.00% | 2 | 20.00% |
| Andy Grover | 1 | 1.47% | 1 | 10.00% |
| Total | 68 | 100.00% | 10 | 100.00% |
ACPI_EXPORT_SYMBOL(acpi_debug_print_raw)
/*******************************************************************************
*
* FUNCTION: acpi_ut_trace
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level
*
******************************************************************************/
void
acpi_ut_trace(u32 line_number,
const char *function_name,
const char *module_name, u32 component_id)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name, module_name,
component_id, "%s\n",
acpi_gbl_function_entry_prefix);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 30 | 53.57% | 6 | 66.67% |
| Linus Torvalds (pre-git) | 20 | 35.71% | 2 | 22.22% |
| Linus Torvalds | 6 | 10.71% | 1 | 11.11% |
| Total | 56 | 100.00% | 9 | 100.00% |
ACPI_EXPORT_SYMBOL(acpi_ut_trace)
/*******************************************************************************
*
* FUNCTION: acpi_ut_trace_ptr
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* pointer - Pointer to display
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level
*
******************************************************************************/
void
acpi_ut_trace_ptr(u32 line_number,
const char *function_name,
const char *module_name,
u32 component_id, const void *pointer)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name, module_name,
component_id, "%s %p\n",
acpi_gbl_function_entry_prefix, pointer);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 31 | 49.21% | 6 | 66.67% |
| Linus Torvalds (pre-git) | 19 | 30.16% | 2 | 22.22% |
| Linus Torvalds | 13 | 20.63% | 1 | 11.11% |
| Total | 63 | 100.00% | 9 | 100.00% |
/*******************************************************************************
*
* FUNCTION: acpi_ut_trace_str
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* string - Additional string to display
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level
*
******************************************************************************/
void
acpi_ut_trace_str(u32 line_number,
const char *function_name,
const char *module_name, u32 component_id, const char *string)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name, module_name,
component_id, "%s %s\n",
acpi_gbl_function_entry_prefix, string);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 31 | 49.21% | 6 | 60.00% |
| Linus Torvalds (pre-git) | 19 | 30.16% | 2 | 20.00% |
| Linus Torvalds | 12 | 19.05% | 1 | 10.00% |
| Andy Grover | 1 | 1.59% | 1 | 10.00% |
| Total | 63 | 100.00% | 10 | 100.00% |
/*******************************************************************************
*
* FUNCTION: acpi_ut_trace_u32
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* integer - Integer to display
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level
*
******************************************************************************/
void
acpi_ut_trace_u32(u32 line_number,
const char *function_name,
const char *module_name, u32 component_id, u32 integer)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name, module_name,
component_id, "%s %08X\n",
acpi_gbl_function_entry_prefix, integer);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 30 | 49.18% | 6 | 66.67% |
| Linus Torvalds (pre-git) | 19 | 31.15% | 2 | 22.22% |
| Linus Torvalds | 12 | 19.67% | 1 | 11.11% |
| Total | 61 | 100.00% | 9 | 100.00% |
/*******************************************************************************
*
* FUNCTION: acpi_ut_exit
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level
*
******************************************************************************/
void
acpi_ut_exit(u32 line_number,
const char *function_name,
const char *module_name, u32 component_id)
{
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name, module_name,
component_id, "%s\n",
acpi_gbl_function_exit_prefix);
}
if (acpi_gbl_nesting_level) {
acpi_gbl_nesting_level--;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 36 | 61.02% | 7 | 70.00% |
| Linus Torvalds (pre-git) | 20 | 33.90% | 2 | 20.00% |
| Linus Torvalds | 3 | 5.08% | 1 | 10.00% |
| Total | 59 | 100.00% | 10 | 100.00% |
ACPI_EXPORT_SYMBOL(acpi_ut_exit)
/*******************************************************************************
*
* FUNCTION: acpi_ut_status_exit
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* status - Exit status code
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level. Prints exit status also.
*
******************************************************************************/
void
acpi_ut_status_exit(u32 line_number,
const char *function_name,
const char *module_name,
u32 component_id, acpi_status status)
{
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
if (ACPI_SUCCESS(status)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name,
module_name, component_id, "%s %s\n",
acpi_gbl_function_exit_prefix,
acpi_format_exception(status));
} else {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name,
module_name, component_id,
"%s ****Exception****: %s\n",
acpi_gbl_function_exit_prefix,
acpi_format_exception(status));
}
}
if (acpi_gbl_nesting_level) {
acpi_gbl_nesting_level--;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 43 | 42.57% | 7 | 63.64% |
| Linus Torvalds | 37 | 36.63% | 2 | 18.18% |
| Linus Torvalds (pre-git) | 21 | 20.79% | 2 | 18.18% |
| Total | 101 | 100.00% | 11 | 100.00% |
ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
/*******************************************************************************
*
* FUNCTION: acpi_ut_value_exit
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* value - Value to be printed with exit msg
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level. Prints exit value also.
*
******************************************************************************/
void
acpi_ut_value_exit(u32 line_number,
const char *function_name,
const char *module_name, u32 component_id, u64 value)
{
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name, module_name,
component_id, "%s %8.8X%8.8X\n",
acpi_gbl_function_exit_prefix,
ACPI_FORMAT_UINT64(value));
}
if (acpi_gbl_nesting_level) {
acpi_gbl_nesting_level--;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 37 | 55.22% | 8 | 57.14% |
| Linus Torvalds | 21 | 31.34% | 3 | 21.43% |
| Linus Torvalds (pre-git) | 8 | 11.94% | 2 | 14.29% |
| Len Brown | 1 | 1.49% | 1 | 7.14% |
| Total | 67 | 100.00% | 14 | 100.00% |
ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
/*******************************************************************************
*
* FUNCTION: acpi_ut_ptr_exit
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* ptr - Pointer to display
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level. Prints exit value also.
*
******************************************************************************/
void
acpi_ut_ptr_exit(u32 line_number,
const char *function_name,
const char *module_name, u32 component_id, u8 *ptr)
{
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name, module_name,
component_id, "%s %p\n",
acpi_gbl_function_exit_prefix, ptr);
}
if (acpi_gbl_nesting_level) {
acpi_gbl_nesting_level--;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 36 | 55.38% | 7 | 77.78% |
| Linus Torvalds | 16 | 24.62% | 1 | 11.11% |
| Linus Torvalds (pre-git) | 13 | 20.00% | 1 | 11.11% |
| Total | 65 | 100.00% | 9 | 100.00% |
/*******************************************************************************
*
* FUNCTION: acpi_ut_str_exit
*
* PARAMETERS: line_number - Caller's line number
* function_name - Caller's procedure name
* module_name - Caller's module name
* component_id - Caller's component ID
* string - String to display
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in debug_level. Prints exit value also.
*
******************************************************************************/
void
acpi_ut_str_exit(u32 line_number,
const char *function_name,
const char *module_name, u32 component_id, const char *string)
{
/* Check if enabled up-front for performance */
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
acpi_debug_print(ACPI_LV_FUNCTIONS,
line_number, function_name, module_name,
component_id, "%s %s\n",
acpi_gbl_function_exit_prefix, string);
}
if (acpi_gbl_nesting_level) {
acpi_gbl_nesting_level--;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jung-uk Kim | 66 | 100.00% | 1 | 100.00% |
| Total | 66 | 100.00% | 1 | 100.00% |
/*******************************************************************************
*
* FUNCTION: acpi_trace_point
*
* PARAMETERS: type - Trace event type
* begin - TRUE if before execution
* aml - Executed AML address
* pathname - Object path
* pointer - Pointer to the related object
*
* RETURN: None
*
* DESCRIPTION: Interpreter execution trace.
*
******************************************************************************/
void
acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname)
{
ACPI_FUNCTION_ENTRY();
acpi_ex_trace_point(type, begin, aml, pathname);
#ifdef ACPI_USE_SYSTEM_TRACER
acpi_os_trace_point(type, begin, aml, pathname);
#endif
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Lv Zheng | 49 | 100.00% | 1 | 100.00% |
| Total | 49 | 100.00% | 1 | 100.00% |
ACPI_EXPORT_SYMBOL(acpi_trace_point)
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Robert Moore | 448 | 40.80% | 19 | 45.24% |
| Linus Torvalds | 279 | 25.41% | 3 | 7.14% |
| Linus Torvalds (pre-git) | 196 | 17.85% | 2 | 4.76% |
| Jung-uk Kim | 67 | 6.10% | 1 | 2.38% |
| Lv Zheng | 66 | 6.01% | 4 | 9.52% |
| Len Brown | 17 | 1.55% | 5 | 11.90% |
| Andy Grover | 11 | 1.00% | 5 | 11.90% |
| Lin Ming | 11 | 1.00% | 1 | 2.38% |
| Paul Gortmaker | 2 | 0.18% | 1 | 2.38% |
| Patrick Mochel | 1 | 0.09% | 1 | 2.38% |
| Total | 1098 | 100.00% | 42 | 100.00% |
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