diff --git i/common/os/os_util.c w/common/os/os_util.c
index cd73aae..535f116 100644
--- i/common/os/os_util.c
+++ w/common/os/os_util.c
@@ -231,7 +231,7 @@ calibrate_cpuinfo(double *nsofclk, uint64_t *clkofsec)
 	*nsofclk = (double)NS_SEC / *clkofsec;
 
 	debug_print(NULL, 2, "calibrate_cpuinfo: nsofclk = %.4f, "
-	    "clkofsec = %lu\n", *nsofclk, *clkofsec);
+	    "clkofsec = %"PRIu64"\n", *nsofclk, *clkofsec);
 
 	return (0);
 }
@@ -267,7 +267,7 @@ calibrate_cpufreq(double *nsofclk, uint64_t *clkofsec)
 	*nsofclk = (double)NS_SEC / *clkofsec;
 
 	debug_print(NULL, 2, "calibrate_cpufreq: nsofclk = %.4f, "
-	    "clkofsec = %lu\n", *nsofclk, *clkofsec);
+	    "clkofsec = %"PRIu64"\n", *nsofclk, *clkofsec);
 
 	return (0);
 }
@@ -321,7 +321,7 @@ calibrate_by_tsc(double *nsofclk, uint64_t *clkofsec)
 	processor_unbind();
 
 	debug_print(NULL, 2, "calibrate_by_tsc: nsofclk = %.4f, "
-	    "clkofsec = %lu\n", *nsofclk, *clkofsec);
+	    "clkofsec = %"PRIu64"\n", *nsofclk, *clkofsec);
 }
 
 void
diff --git i/common/os/os_win.c w/common/os/os_win.c
index b80bcdf..1fb1781 100644
--- i/common/os/os_win.c
+++ w/common/os/os_win.c
@@ -889,11 +889,11 @@ latnode_data_show(track_proc_t *proc, dyn_latnode_t *dyn, map_entry_t *entry,
 	win_size2str(dyn->size, size_str, sizeof (size_str));
 	if (lwp != NULL) {
 		(void) snprintf(content, sizeof (content),
-		    "Memory area(%lX, %s), thread(%d)",
+		    "Memory area(%"PRIX64", %s), thread(%d)",
 		    dyn->addr, size_str, lwp->id);
 	} else {
 		(void) snprintf(content, sizeof (content),
-		    "Memory area(%lX, %s), process(%d)",
+		    "Memory area(%"PRIX64", %s), process(%d)",
 		    dyn->addr, size_str, proc->pid);
 	}
 
diff --git i/common/util.c w/common/util.c
index cc75188..9dc3b71 100644
--- i/common/util.c
+++ w/common/util.c
@@ -126,7 +126,7 @@ debug_print(FILE *out, int level, const char *fmt, ...)
 			if (s_logfile != NULL) {
 				(void) pthread_mutex_lock(&s_debug_ctl.mutex);
 				(void) fprintf(s_logfile,
-				    "%lu: ", current_ms() / 1000);
+				    "%"PRIu64": ", current_ms() / 1000);
 				va_start(ap, fmt);
 				(void) vfprintf(s_logfile, fmt, ap);
 				va_end(ap);
@@ -137,7 +137,7 @@ debug_print(FILE *out, int level, const char *fmt, ...)
 		} else {
 			(void) pthread_mutex_lock(&s_debug_ctl.mutex);
 			(void) fprintf(out,
-			    "%lu: ", current_ms() / 1000);
+			    "%"PRIu64": ", current_ms() / 1000);
 			va_start(ap, fmt);
 			(void) vfprintf(out, fmt, ap);
 			va_end(ap);
@@ -319,6 +319,7 @@ static void
 cpuid(unsigned int *eax, unsigned int *ebx, unsigned int *ecx,
 	unsigned int *edx)
 {
+#if __x86_64
 	__asm volatile(
 	    "cpuid\n\t"
 	    :"=a" (*eax),
@@ -326,6 +327,20 @@ cpuid(unsigned int *eax, unsigned int *ebx, unsigned int *ecx,
 	    "=c" (*ecx),
 	    "=d" (*edx)
 	    :"a" (*eax));
+#else
+	__asm volatile(
+	    "push %%ebx\n\t"
+	    "cpuid\n\t"
+	    "mov %%ebx, (%4)\n\t"
+	    "pop %%ebx"
+	    :"=a" (*eax),
+	    "=c" (*ecx),
+	    "=d" (*edx)
+	    :"0" (*eax),
+	    "S" (ebx)
+	    :"memory");
+#endif
+
 }
 
 /*
diff --git i/common/win.c w/common/win.c
index 3321a00..cb83397 100644
--- i/common/win.c
+++ w/common/win.c
@@ -1979,17 +1979,17 @@ win_size2str(uint64_t size, char *buf, int bufsize)
 	 * "buf" points to a big enough buffer.
 	 */
 	if ((i = (size / KB_BYTES)) < KB_BYTES) {
-		(void) snprintf(buf, bufsize, "%luK", i);
+		(void) snprintf(buf, bufsize, "%"PRIu64"K", i);
 	} else if ((j = i / KB_BYTES) < KB_BYTES) {
 		if ((i % KB_BYTES) == 0) {
-			(void) snprintf(buf, bufsize, "%luM", j);
+			(void) snprintf(buf, bufsize, "%"PRIu64"M", j);
 		} else {
 			(void) snprintf(buf, bufsize, "%.1fM",
 			    (double)i / (double)KB_BYTES);
 		}
 	} else {
 		if ((j % KB_BYTES) == 0) {
-			(void) snprintf(buf, bufsize, "%luG", j / KB_BYTES);
+			(void) snprintf(buf, bufsize, "%"PRIu64"G", j / KB_BYTES);
 		} else {
 			(void) snprintf(buf, bufsize, "%.1fG",
 			    (double)j / (double)KB_BYTES);
@@ -2314,12 +2314,12 @@ win_lat_data_show(track_proc_t *proc, dyn_lat_t *dyn, boolean_t *note_out)
 	if (lwp == NULL) {
 		(void) snprintf(content, sizeof (content),
 		    "Monitoring memory areas (pid: %d, "
-		    "AVG.LAT: %luns, interval: %s)",
+		    "AVG.LAT: %"PRIu64"ns, interval: %s)",
 		    proc->pid, cyc2ns(lat), intval_buf);
 	} else {
 		(void) snprintf(content, sizeof (content),
 		    "Monitoring memory areas (lwpid: %d, "
-		    "AVG.LAT: %luns, interval: %s)",
+		    "AVG.LAT: %"PRIu64"ns, interval: %s)",
 		    lwp->id, cyc2ns(lat), intval_buf);
 	}