diff --git a/include/aio.h b/include/aio.h
index 6740b27..f416f38 100644
--- a/include/aio.h
+++ b/include/aio.h
@@ -3,8 +3,8 @@
 
 #include <libusb-1.0/libusb.h>
 
-#define AIO_USB_VID 0x1b1c
-#define AIO_USB_PID 0x0c13
+#define AIO_USB_VID 0x1b1cU
+#define AIO_USB_PID 0x0c13U
 
 #define AIO_COLOR_CYAN { 0, 255, 255 }
 #define AIO_COLOR_WHITE { 255, 255, 255 }
@@ -16,7 +16,7 @@
 // roughly converts fan speed to duty
 #define SPD2DTY(spd) MAX(0, MIN(spd * 100 / max_fan_speed, 100))
 
-enum aio_pump_mode_t : uint8_t {
+enum aio_pump_mode_t {
 	QUIET,
 	BALANCED,
 	EXTREME
@@ -48,6 +48,7 @@ struct aio_t {
 	float t_b;
 	uint16_t pump_speed;
 	uint16_t fan_speed[2];
+	uint8_t _padding[2];
 };
 
 void aio_detect(struct aio_t *aio, float t_quiet, float t_balanced);
diff --git a/include/cpu.h b/include/cpu.h
index 20608ec..78c1829 100644
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -15,7 +15,7 @@ struct cpu_sensors_t {
 	int16_t tdie;
 	int16_t tctl;
 	int16_t tccd1;
-	// double pcore;
+	double pcore;
 	// double psoc;
 	float ptotal;
 	// double vcore;
diff --git a/include/sys.h b/include/sys.h
index 663cdbf..c29a1ac 100644
--- a/include/sys.h
+++ b/include/sys.h
@@ -5,7 +5,7 @@
 
 struct time_date_t {
 	char date[12];
-	char time[9];
+	char time[12];
 };
 
 struct memory_t {
@@ -26,9 +26,10 @@ struct network_t {
 };
 
 struct syssensors_t {
+	char hwmon[64];
 	// uint16_t fan_speed[1]; // just one fan (pump) we monitor
 	int16_t t_sensor;      // ntc temp sensor
-	char hwmon[64];
+	uint8_t _padding[6];
 };
 
 void sys_get_time(struct time_date_t *td);
diff --git a/include/utils.h b/include/utils.h
index 34e1a57..9403541 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -19,7 +19,7 @@
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
 #define MAX(a, b) ((a) > (b) ? (a) : (b))
 #define P_BYTES(bytes, start) pretty_bytes((bytes), (start), (char[16]){0}, 16)
-#define P_NUM(num) pretty_num((num), (char[8]){0}, 8)
+#define P_NUM(num) pretty_num((num), (char[16]){0}, 16)
 
 int get_instance_lock(void);
 
diff --git a/meson.build b/meson.build
index c9770e6..f5fcee4 100644
--- a/meson.build
+++ b/meson.build
@@ -5,7 +5,7 @@ project(
     default_options : [
         'prefix=/home/drath/.local',
         'c_std=c23',
-        'warning_level=3',   # -> -Wall -Wextra -Wpedantic, also try =everything
+        'warning_level=everything',   # -> -Wall -Wextra -Wpedantic, also try =everything
         'werror=true',       # -> -Werror
         'buildtype=release', # -> -O3, no debug
     ],
@@ -32,6 +32,12 @@ executable(
     c_args : [
         '-D_GNU_SOURCE',
         '-D_POSIX_C_SOURCE=200809L',
+        '-Wno-c++-compat',
+        '-Wno-format-truncation',
+        '-Wno-conversion',
+        '-Wno-arith-conversion',
+        '-Wno-cast-align', # casting char array to gpu_metrics
+        '-Wno-padded'
     ],
     install : true,
 )
\ No newline at end of file
diff --git a/src/cpu.c b/src/cpu.c
index 83d4356..33c0231 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -37,7 +37,8 @@ void cpu_update(struct cpu_sensors_t *c) {
 	clock_gettime(CLOCK_MONOTONIC, &curr.ts);
 	fast_read_num_u64("/sys/class/powercap/intel-rapl:0/", "energy_uj", buf, &curr.energy, 1);
 
-	c->ptotal = (float)(curr.energy - prev.energy) / (float)timespec_diff_us(&curr.ts, &prev.ts);
+	const uint64_t tdiff_us = timespec_diff_us(&curr.ts, &prev.ts);
+	c->ptotal = (float)(curr.energy - prev.energy) / (float)tdiff_us;
 	prev = curr;
 	if (c->ptotal > 500.0f || c->ptotal < 0.0f)
 		c->ptotal = 0.0f;
diff --git a/src/gpu.c b/src/gpu.c
index 503c332..4ca1c00 100644
--- a/src/gpu.c
+++ b/src/gpu.c
@@ -9,6 +9,10 @@
 constexpr char rel_metrics_path[] = "/../../gpu_metrics"; // gpu_metrics path relative to hwmon path
 constexpr uint16_t max_metrics_length = 512;	      // length of the metrics buffer
 
+void fill_missing_metrics(struct gpu_sensors_t *g);
+void update_from_fs(struct gpu_sensors_t *g);
+void update_from_metrics(struct gpu_sensors_t *g);
+
 void gpu_detect(struct gpu_sensors_t *t, const char *pci) {
 	snprintf(t->hwmon, sizeof(t->hwmon), "/sys/bus/pci/devices/%s/hwmon", pci);
 	const int ret = get_hwmon_dir(t->hwmon, sizeof(t->hwmon));
@@ -60,7 +64,7 @@ void update_from_metrics(struct gpu_sensors_t *g) {
 
 	switch (header->format_revision * 10 + header->content_revision) {
 
-	/* rx5700xt, rx7800xtx rx9070xt */
+	/* rx5700xt, rx7800xt, rx9070xt */
 	case 13: {
 		const struct gpu_metrics_v1_3 *metrics = (struct gpu_metrics_v1_3 *)raw_metrics;
 		g->usage_core = metrics->average_gfx_activity;
diff --git a/src/lcd.c b/src/lcd.c
index 6147625..e70b6ad 100644
--- a/src/lcd.c
+++ b/src/lcd.c
@@ -10,6 +10,9 @@
 
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
 
+int lcd_open(struct lcd_t *lcd, bool reopen);
+void lcd_write(struct lcd_t *lcd, const uint8_t *cmdbuf, uint16_t len);
+
 int lcd_open(struct lcd_t *lcd, const bool reopen) {
 	applog(LOG_INF, "Opening serial port at %s", lcd->port);
 	if (lcd->fd <= 0 || reopen)
@@ -55,7 +58,7 @@ void lcd_set_backlight(struct lcd_t *lcd, const bool enabled) {
 }
 
 void lcd_set_cursor(struct lcd_t *lcd, const uint8_t row, const uint8_t col) {
-	const uint8_t cmdbuf[] = {254, 71, (col + 1), (row + 1)};
+	const uint8_t cmdbuf[] = {254, 71, col + 1, row + 1};
 	lcd_write(lcd, cmdbuf, sizeof(cmdbuf));
 }
 
@@ -84,13 +87,13 @@ void lcd_writef(struct lcd_t *lcd, const uint8_t x, const uint8_t y, const char
 	char tmp[LCD_COLS + 1];
 	va_list ap;
 	va_start(ap, fmt);
-	uint8_t len = vsnprintf(tmp, sizeof(tmp), fmt, ap); // print fmt and ap to a temporary buffer
+	int len = vsnprintf(tmp, sizeof(tmp), fmt, ap); // print fmt and ap to a temporary buffer
 	va_end(ap);
 	len = MIN(len, LCD_COLS - x);
 	int pos = 4 + x + (LCD_COLS * (y % 2)); // skip 4 bytes to leave room for set cursor command
 	if (y >= 2)
 		pos += 2 * LCD_COLS + 4;       // if we're writing to disp2, skip another 4 bytes for set cursor command and 2*40 bytes of disp 1
-	memcpy(lcd->writebuf.text + pos, tmp, len); // copy to lcd writebuffer address + whatever pos is
+	memcpy(lcd->writebuf.text + pos, tmp, (size_t)len); // copy to lcd writebuffer address + whatever pos is
 }
 
 inline void lcd_clear_buf(struct lcd_t *lcd) {
diff --git a/src/main.c b/src/main.c
index f55beb5..074cd88 100644
--- a/src/main.c
+++ b/src/main.c
@@ -22,13 +22,13 @@ static constexpr char     cpu_pcidev[]        = "0000:00:18.3";
 static constexpr char     gpu_pcidev[]        = "0000:0a:00.0";
 
 struct control_t {
-	atomic_bool g_running;
 	pthread_mutex_t sensors_mtx;
 	pthread_cond_t sensors_ready;
+	atomic_bool g_running;
+	uint8_t _padding[7];
 } control;
 
 struct sensors_t { // NOLINT yes it is
-	struct time_date_t td;
 	struct memory_t ram;
 	struct disk_t home;
 	struct disk_t gry;
@@ -37,6 +37,7 @@ struct sensors_t { // NOLINT yes it is
 	struct cpu_sensors_t cpu;
 	struct gpu_sensors_t gpu;
 	struct aio_t aio;
+	struct time_date_t td;
 	double loadavg[3];
 };
 
@@ -139,23 +140,23 @@ static void *display_thread(void *arg) {
 
 			lcd_writef(&lcd, 0, 1, "%d/%d%c", sensors->cpu.tctl, sensors->cpu.tccd1, 0);
 			lcd_writef(&lcd, 7, 1, "%s", P_BYTES(sensors->ram.used, 0));
-			lcd_writef(&lcd, 13, 1, "%.1f%c", sensors->aio.water_temp, 0);
+			lcd_writef(&lcd, 13, 1, "%.1f%c", (double)sensors->aio.water_temp, 0);
 			lcd_writef(&lcd, 18, 1, "%3d%c", sensors->sys.t_sensor, 0);
 			lcd_writef(&lcd, 28, 1, "%4s%c", gpudelta, 0);
 			lcd_writef(&lcd, 25 - gpu_pos, 1, "%6s", P_BYTES(sensors->gpu.vram_used, 1));
 			lcd_writef(&lcd, 34, 1, "%d/%d%c", sensors->gpu.temp_edge, sensors->gpu.temp_hotspot, 0);
 
-			lcd_writef(&lcd, 0, 2, "%.0fW", sensors->cpu.ptotal);
+			lcd_writef(&lcd, 0, 2, "%.0fW", (double)sensors->cpu.ptotal);
 			lcd_writef(&lcd, 5, 2, "%dR", avg_fan_speed);
 			lcd_writef(&lcd, 12, 2, "%5s%c", P_BYTES(sensors->net.upload, 1), 3);
 			lcd_writef(&lcd, 19, 2, "%c%s", 4, P_BYTES(sensors->net.download, 1));
 			lcd_writef(&lcd, 26, 2, "%4dR", sensors->gpu.fan_speed);
 			lcd_writef(&lcd, 32, 2, "%3d/%3dW", sensors->gpu.power_avg, sensors->gpu.power_cap);
 
-			lcd_writef(&lcd, 0, 3, "%dMHz", sensors->cpu.avg_freq);
+			lcd_writef(&lcd, 0, 3, "%uMHz", sensors->cpu.avg_freq);
 			lcd_writef(&lcd, 8, 3, "%4dR-%c", sensors->aio.pump_speed, modes[sensors->aio.pump_mode]);
 			lcd_writef(&lcd, 21, 3, "%12s", gpuclock);
-			lcd_writef(&lcd, 34, 3, "%.3fV", sensors->gpu.vcore);
+			lcd_writef(&lcd, 34, 3, "%.3fV", (double)sensors->gpu.vcore);
 		}
 
 		pthread_mutex_unlock(&control.sensors_mtx); // unlock sensor struct
@@ -173,7 +174,7 @@ static void *display_thread(void *arg) {
 
 int main(void) {
 	applog(LOG_START, "linuxSmartie starting");
-	applog(LOG_DBG, "Compiled on %s %s with %s", __DATE__, __TIME__, C_STD);
+	applog(LOG_DBG, "Compiled with %s", C_STD);
 
 	/* see if another instance is up, quit if it is */
 	if (get_instance_lock() < 0)
diff --git a/src/sys.c b/src/sys.c
index 31d2028..2240fa9 100644
--- a/src/sys.c
+++ b/src/sys.c
@@ -63,7 +63,8 @@ void sys_get_network(struct network_t *network) {
 	clock_gettime(CLOCK_MONOTONIC, &current.ts);
 	fast_read_num_u64(path, "rx_bytes", buf, &current.rx, 1);
 	fast_read_num_u64(path, "tx_bytes", buf, &current.tx, 1);
-	const double diff_s = (double)timespec_diff_us(&current.ts, &prev.ts) / 1000000.0;
+	const uint64_t diff_us = timespec_diff_us(&current.ts, &prev.ts);
+	const double diff_s = (double)diff_us / 1000000.0;
 	network->download = (uint32_t)((double)(current.rx - prev.rx) / diff_s);
 	network->upload = (uint32_t)((double)(current.tx - prev.tx) / diff_s);
 	prev = current;
diff --git a/src/utils.c b/src/utils.c
index 94e1632..ef589c7 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -45,7 +45,7 @@ inline void timespec_add_ms(struct timespec *ts, const uint16_t ms) {
 inline uint64_t timespec_diff_us(const struct timespec *a, const struct timespec *b) {
 	const int64_t sec = a->tv_sec - b->tv_sec;
 	const int64_t nsec = a->tv_nsec - b->tv_nsec;
-	return sec * 1000000LL + nsec / 1000LL;
+	return sec * 1000000ULL + nsec / 1000ULL;
 }
 
 inline char *pretty_num(const double num, char *buf, const size_t bufsz) {
@@ -108,12 +108,12 @@ inline void fast_read_num_u64(const char *dir, const char *file, char *buf, uint
 
 inline void fast_read_num_u16(const char *dir, const char *file, char *buf, uint16_t *result, const uint32_t divider) {
 	read_file(dir, file, buf, 32);
-	*result = strtol(buf, nullptr, 10) / divider;
+	*result = (uint16_t)strtol(buf, nullptr, 10) / divider;
 }
 
 inline void fast_read_num_u8(const char *dir, const char *file, char *buf, uint8_t *result, const uint32_t divider) {
 	read_file(dir, file, buf, 32);
-	*result = strtol(buf, nullptr, 10) / divider;
+	*result = (uint8_t)strtol(buf, nullptr, 10) / divider;
 }
 
 inline void fast_read_num_i16(const char *dir, const char *file, char *buf, int16_t *result, const uint32_t divider) {
@@ -123,5 +123,6 @@ inline void fast_read_num_i16(const char *dir, const char *file, char *buf, int1
 
 inline void fast_read_num_f(const char *dir, const char *file, char *buf, float *result, const uint32_t divider) {
 	read_file(dir, file, buf, 32);
-	*result = (float)strtoull(buf, nullptr, 10) / (float)divider;
+	const uint64_t val = strtoull(buf, nullptr, 10);
+	*result = (float)val / (float)divider;
 }
\ No newline at end of file