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https://github.com/rstrouse/ESPSomfy-RTS.git
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77d3e18cce
Every HTTP request logged two timing lines and every socket connect five, all from the async_tcp task, at several ms each on a 115200 baud console. Raise the default TIMING_LOG_MIN_MS to 100 and drop the unused ScopeTimer. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
#ifndef timing_h
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#define timing_h
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#include <Arduino.h>
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#include "esp_log.h"
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// Timings shorter than this are not logged. Every line costs several ms on a
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// 115200 baud console, and per-request timings would add dozens of lines to
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// every page load on the task that serves the sockets. Build with
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// -DTIMING_LOG_MIN_MS=0 to see every timing.
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#ifndef TIMING_LOG_MIN_MS
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#define TIMING_LOG_MIN_MS 100
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#endif
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// Anything that takes at least this long is logged as a warning so the slow
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// calls stand out from the routine timings.
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#ifndef TIMING_SLOW_MS
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#define TIMING_SLOW_MS 1000
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#endif
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// Measures elapsed time in microseconds. micros() wraps every ~71 minutes but
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// the unsigned subtraction keeps any span shorter than that correct.
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class ElapsedTimer {
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uint32_t _start;
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public:
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ElapsedTimer() : _start(micros()) {}
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void restart() { _start = micros(); }
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uint32_t us() const { return micros() - _start; }
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};
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// Logs how long something took as milliseconds with microsecond precision.
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static inline void logElapsed(const char *tag, const char *what, uint32_t us) {
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const unsigned long ms = us / 1000, frac = us % 1000;
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if(ms < TIMING_LOG_MIN_MS) return;
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if(ms >= TIMING_SLOW_MS) ESP_LOGW(tag, "%s took %lu.%03lums (slow)", what, ms, frac);
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else ESP_LOGI(tag, "%s took %lu.%03lums", what, ms, frac);
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}
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// For calls that run constantly, like loop(), where logging every pass would
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// flood the console. Only logs once the time reaches minMs.
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static inline void logIfSlow(const char *tag, const char *what, uint32_t us, uint32_t minMs) {
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if(us >= minMs * 1000) logElapsed(tag, what, us);
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}
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#endif
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