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logging: Add string duplicates pool profiling

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Added option profiling instrumentation which can help determine
string duplicates pool configuration. Added shell command to
read current peak utilization of the pool.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2019-05-22 09:19:26 +02:00 • committed by Carles Cufí
commit 04a5cee556
4 changed files with 92 additions and 0 deletions
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15
include/logging/log_core.h
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@ -543,6 +543,21 @@ bool log_is_strdup(void *buf);
*/
void log_free(void *buf);
/**
* @brief Get maximal number of simultaneously allocated buffers for string
* duplicates.
*
* Value can be used to determine pool size.
*/
u32_t log_get_strdup_pool_utilization(void);
/**
* @brief Get length of the longest string duplicated.
*
* Value can be used to determine buffer size in the string duplicates pool.
*/
u32_t log_get_strdup_longest_string(void);
/** @brief Indicate to the log core that one log message has been dropped.
*/
void log_dropped(void);