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feat: log timings for slow work, socket clients and boot crashes

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Add Timing.h and use it to log what holds up the main loop, how long a
new socket client's setup takes, slow socket sends, and how long each
web request took and from which client. Socket connects and disconnects
are logged with how long the client stayed, and late pings as warnings.
Routine sends and pings are not logged, as each line costs several ms
on a 115200 baud console.

Report a stored crash once with the crashed and running build IDs, then
erase it, since it was reported on every boot and its backtrace only
decodes against the build that crashed. Mount the file system once.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
cjkas 2026-10-11 20:35:43 +02:00
parent 05c3d309a6
commit dd47c04905
6 changed files with 157 additions and 18 deletions
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49
src/SomfyController.ino
View file

@ -11,8 +11,18 @@
#include "MQTT.h"
#include "GitOTA.h"
#include "esp_core_dump.h"
#include "esp_idf_version.h"
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
#include "esp_app_desc.h"
#define getRunningElfSha esp_app_get_elf_sha256
#else
#include "esp_ota_ops.h"
#define getRunningElfSha esp_ota_get_app_elf_sha256
#endif
#include "Timing.h"
static const char *TAG = "Main";
#define LOOP_SLOW_MS 100
ConfigSettings settings;
Web webServer;
@ -65,21 +75,28 @@ void setup() {
ESP_LOGW(TAG, " MTVAL: 0x%08x RA: 0x%08x SP: 0x%08x",
summary.ex_info.mtval, summary.ex_info.ra, summary.ex_info.sp);
#endif
// The backtrace only decodes against the firmware.elf of the build that
// crashed, so say whether that is the one running now.
const char *crashedSha = (const char *)summary.app_elf_sha256;
char runningSha[APP_ELF_SHA256_SZ] = {0};
getRunningElfSha(runningSha, sizeof(runningSha));
if(strcmp(crashedSha, runningSha) == 0)
ESP_LOGW(TAG, " Build: %s (running %s, same build)", crashedSha, runningSha);
else
ESP_LOGW(TAG, " Build: %s (running %s, different build, decode the backtrace with the matching firmware.elf)", crashedSha, runningSha);
// Erase it so the next boot only reports a new crash.
if(esp_core_dump_image_erase() != ESP_OK) ESP_LOGE(TAG, "Could not erase the coredump");
}
ESP_LOGI(TAG, "Mounting File System...");
if (LittleFS.begin()) {
ESP_LOGI(TAG, "Total: %d bytes", LittleFS.totalBytes());
ESP_LOGI(TAG, "Used: %d bytes", LittleFS.usedBytes());
ESP_LOGI(TAG, "Free: %d bytes", LittleFS.totalBytes() - LittleFS.usedBytes());
listDir("/", 3);
ESP_LOGI(TAG, "File system mounted successfully");
} else {
ESP_LOGE(TAG, "LittleFS mount failed!");
}
if(LittleFS.begin()) ESP_LOGI(TAG, "File system mounted successfully");
else ESP_LOGE(TAG, "Error mounting file system");
settings.begin();
if(WiFi.status() == WL_CONNECTED) WiFi.disconnect(true);
delay(10);
@ -108,30 +125,30 @@ void loop() {
ESP.restart();
return;
}
uint32_t timing = millis();
// Each step only logs when it holds up the loop for LOOP_SLOW_MS or more.
ElapsedTimer timing;
net.loop();
if(millis() - timing > 100) ESP_LOGD(TAG, "Timing Net: %ldms", millis() - timing);
timing = millis();
logIfSlow(TAG, "Loop net", timing.us(), LOOP_SLOW_MS);
timing.restart();
esp_task_wdt_reset();
somfy.loop();
if(millis() - timing > 100) ESP_LOGD(TAG, "Timing Somfy: %ldms", millis() - timing);
timing = millis();
logIfSlow(TAG, "Loop somfy", timing.us(), LOOP_SLOW_MS);
esp_task_wdt_reset();
if(net.connected() || net.softAPOpened) {
if(!rebootDelay.reboot && net.connected() && !net.softAPOpened) {
timing.restart();
git.loop();
logIfSlow(TAG, "Loop git", timing.us(), LOOP_SLOW_MS);
esp_task_wdt_reset();
}
timing.restart();
webServer.loop();
logIfSlow(TAG, "Loop web server", timing.us(), LOOP_SLOW_MS);
esp_task_wdt_reset();
if(millis() - timing > 100) ESP_LOGD(TAG, "Timing WebServer: %ldms", millis() - timing);
esp_task_wdt_reset();
timing = millis();
timing.restart();
sockEmit.loop();
if(millis() - timing > 100) ESP_LOGD(TAG, "Timing Socket: %ldms", millis() - timing);
logIfSlow(TAG, "Loop sockets", timing.us(), LOOP_SLOW_MS);
esp_task_wdt_reset();
timing = millis();
}
if(rebootDelay.reboot && millis() > rebootDelay.rebootTime) {
net.end();