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Merge "qcacmn: Rate limit logs based on elapsed time"

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Linux Build Service Account 2018-03-17 04:48:07 -07:00 • committed by Gerrit - the friendly Code Review server
commit 16960ff67a
7 changed files with 103 additions and 32 deletions
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2
hif/inc/hif.h
View file

@ -52,8 +52,6 @@ extern "C" {
typedef void __iomem *A_target_id_t;
typedef void *hif_handle_t;
#define HIF_DBG_PRINT_RATE 1000
#define HIF_TYPE_AR6002 2
#define HIF_TYPE_AR6003 3
#define HIF_TYPE_AR6004 5

12
hif/src/hif_debug.h
View file

@ -1,9 +1,8 @@
/*
* Copyright (c) 2014, 2016 The Linux Foundation. All rights reserved.
* Copyright (c) 2014, 2016, 2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
@ -23,6 +22,15 @@
#define __HIF_DEBUG_H__
#include "qdf_trace.h"
#define __hif_log_rl(level, format, args...) \
QDF_TRACE_RATE_LIMITED(QDF_MODULE_ID_HIF, level, FL(format), ## args)
#define hif_alert_rl(params...) __hif_log_rl(QDF_TRACE_LEVEL_FATAL, params)
#define hif_err_rl(params...) __hif_log_rl(QDF_TRACE_LEVEL_ERROR, params)
#define hif_warn_rl(params...) __hif_log_rl(QDF_TRACE_LEVEL_WARN, params)
#define hif_info_rl(params...) __hif_log_rl(QDF_TRACE_LEVEL_INFO, params)
#define hif_debug_rl(params...) __hif_log_rl(QDF_TRACE_LEVEL_DEBUG, params)
#define HIF_ERROR(args ...) \
QDF_TRACE(QDF_MODULE_ID_HIF, QDF_TRACE_LEVEL_ERROR, ## args)
#define HIF_WARN(args ...) \

8
hif/src/sdio/hif_sdio_dev.c
View file

@ -1,9 +1,8 @@
/*
* Copyright (c) 2013-2017 The Linux Foundation. All rights reserved.
* Copyright (c) 2013-2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
@ -190,10 +189,7 @@ HTC_PACKET *hif_dev_alloc_rx_buffer(struct hif_sdio_device *pdev)
headsize = sizeof(HTC_PACKET);
netbuf = qdf_nbuf_alloc(NULL, bufsize + headsize, 0, 4, false);
if (netbuf == NULL) {
QDF_TRACE_RATE_LIMITED(HIF_DBG_PRINT_RATE, QDF_MODULE_ID_HIF,
QDF_TRACE_LEVEL_ERROR,
"(%s)Allocate netbuf failed\n",
__func__);
hif_err_rl("Allocate netbuf failed");
return NULL;
}
packet = (HTC_PACKET *) qdf_nbuf_data(netbuf);

58
qdf/inc/qdf_platform.h Normal file
View file

@ -0,0 +1,58 @@
/*
* Copyright (c) 2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
/**
* DOC: qdf_platform.h
* This file defines platform API abstractions.
*/
#ifndef _QDF_PLATFORM_H
#define _QDF_PLATFORM_H
/**
* qdf_is_fw_down_callback - callback to query if fw is down
*
* Return: true if fw is down and false if fw is not down
*/
typedef bool (*qdf_is_fw_down_callback)(void);
/**
* qdf_register_fw_down_callback() - API to register fw down callback
* @is_fw_down: callback to query if fw is down or not
*
* Return: none
*/
void qdf_register_fw_down_callback(qdf_is_fw_down_callback is_fw_down);
/**
* qdf_is_fw_down() - API to check if fw is down or not
*
* Return: true: if fw is down
* false: if fw is not down
*/
bool qdf_is_fw_down(void);
#endif /*_QDF_PLATFORM_H*/

14
qdf/inc/qdf_util.h
View file

@ -42,12 +42,6 @@
#endif
typedef __qdf_wait_queue_head_t qdf_wait_queue_head_t;
/**
* qdf_is_fw_down_callback - callback to query if fw is down
*
* Return: true if fw is down and false if fw is not down
*/
typedef bool (*qdf_is_fw_down_callback)(void);
/**
* qdf_unlikely - Compiler-dependent macro denoting code likely to execute
@ -675,12 +669,4 @@ void qdf_get_random_bytes(void *buf, int nbytes)
{
return __qdf_get_random_bytes(buf, nbytes);
}
/**
* qdf_register_fw_down_callback() - API to register fw down callback
* @is_fw_down: callback to query if fw is down or not
*
* Return: none
*/
void qdf_register_fw_down_callback(qdf_is_fw_down_callback is_fw_down);
#endif /*_QDF_UTIL_H*/

26
qdf/linux/src/i_qdf_trace.h
View file

@ -58,14 +58,26 @@
#define QDF_TRACE qdf_trace_msg
#define QDF_VTRACE qdf_vtrace_msg
#define QDF_TRACE_HEX_DUMP qdf_trace_hex_dump
#define QDF_TRACE_RATE_LIMITED(rate, module, level, format, ...)\
#define QDF_MAX_LOGS_PER_SEC 2
/**
* QDF_TRACE_RATE_LIMITED() - rate limited version of QDF_TRACE
* @params: parameters to pass through to QDF_TRACE
*
* This API prevents logging a message more than QDF_MAX_LOGS_PER_SEC times per
* second. This means any subsequent calls to this API from the same location
* within 1/QDF_MAX_LOGS_PER_SEC seconds will be dropped.
*
* Return: None
*/
#define QDF_TRACE_RATE_LIMITED(params...)\
do {\
static int rate_limit;\
rate_limit++;\
if (rate)\
if (0 == (rate_limit % rate))\
qdf_trace_msg(module, level, format,\
##__VA_ARGS__);\
static ulong __last_ticks;\
ulong __ticks = jiffies;\
if (time_after(__ticks,\
__last_ticks + HZ / QDF_MAX_LOGS_PER_SEC)) {\
QDF_TRACE(params);\
__last_ticks = __ticks;\
} \
} while (0)
#else
#define QDF_TRACE(arg ...)

15
qdf/src/qdf_util.c → qdf/src/qdf_platform.c
View file

@ -17,7 +17,8 @@
*/
#include "qdf_module.h"
#include "qdf_util.h"
#include "qdf_trace.h"
#include "qdf_platform.h"
static qdf_is_fw_down_callback is_fw_down_cb;
@ -26,3 +27,15 @@ void qdf_register_fw_down_callback(qdf_is_fw_down_callback is_fw_down)
is_fw_down_cb = is_fw_down;
}
qdf_export_symbol(qdf_register_fw_down_callback);
bool qdf_is_fw_down(void)
{
if (!is_fw_down_cb) {
QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR,
"fw down callback is not registered");
return false;
}
return is_fw_down_cb();
}
qdf_export_symbol(qdf_is_fw_down);