/***********************license start***************
* Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
* reserved.
*
*
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* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
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*
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* with the distribution.
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***********************license end**************************************/
#ifndef __CVMX_LOG_H__
#define __CVMX_LOG_H__
/**
* @file
*
* cvmx-log supplies a fast log buffer implementation. Each core writes
* log data to a differnet buffer to avoid synchronization overhead. Function
* call logging can be turned on with the GCC option "-pg".
*
*
$Revision: 49448 $
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* Add CVMX_LOG_DISABLE_PC_LOGGING as an attribute to and function prototype
* that you don't want logged when the gcc option "-pg" is supplied. We
* use it on the cvmx-log functions since it is pointless to log the
* calling of a function than in itself writes to the log.
*/
#define CVMX_LOG_DISABLE_PC_LOGGING __attribute__((no_instrument_function))
/**
* Log a constant printf style format string with 0 to 4
* arguments. The string must persist until the log is read,
* but the parameters are copied into the log.
*
* @param format Constant printf style format string.
* @param numberx 64bit argument to the printf format string
*/
void cvmx_log_printf0(const char *format) CVMX_LOG_DISABLE_PC_LOGGING;
void cvmx_log_printf1(const char *format, uint64_t number1) CVMX_LOG_DISABLE_PC_LOGGING;
void cvmx_log_printf2(const char *format, uint64_t number1, uint64_t number2) CVMX_LOG_DISABLE_PC_LOGGING;
void cvmx_log_printf3(const char *format, uint64_t number1, uint64_t number2, uint64_t number3) CVMX_LOG_DISABLE_PC_LOGGING;
void cvmx_log_printf4(const char *format, uint64_t number1, uint64_t number2, uint64_t number3, uint64_t number4) CVMX_LOG_DISABLE_PC_LOGGING;
/**
* Log an arbitrary block of 64bit words. At most 255 64bit
* words can be logged. The words are copied into the log.
*
* @param size_in_dwords
* Number of 64bit dwords to copy into the log.
* @param data Array of 64bit dwords to copy
*/
void cvmx_log_data(uint64_t size_in_dwords, const uint64_t *data) CVMX_LOG_DISABLE_PC_LOGGING;
/**
* Log a structured data object. Post processing will use the
* debugging information in the ELF file to determine how to
* display the structure. Max of 2032 bytes.
*
* Example:
* cvmx_log_structure("cvmx_wqe_t", work, sizeof(*work));
*
* @param type C typedef expressed as a string. This will be used to
* lookup the structure in the debugging infirmation.
* @param data Data to be written to the log.
* @param size_in_bytes
* Size if the data in bytes. Normally you'll use the
* sizeof() operator here.
*/
void cvmx_log_structure(const char *type, void *data, int size_in_bytes) CVMX_LOG_DISABLE_PC_LOGGING;
/**
* Setup the mips performance counters
*
* @param counter1 Event type for counter 1
* @param counter2 Event type for counter 2
*/
void cvmx_log_perf_setup(cvmx_core_perf_t counter1, cvmx_core_perf_t counter2);
/**
* Log the performance counters
*/
void cvmx_log_perf(void) CVMX_LOG_DISABLE_PC_LOGGING;
/**
* Display the current log in a human readable format.
*/
void cvmx_log_display(void);
#ifdef __cplusplus
}
#endif
#endif