am a8b6131d: Merge "logd: test modernization" (6a9dda6c) · Commits · e / os / android_system_core

logd/tests/logd_test.cpp

+35 −47

Original line number	Diff line number	Diff line
		@@ -93,53 +93,42 @@ static void alloc_statistics(char *buffer, size_t length)
		static char find_benchmark_spam(char cp)
		{
		// liblog_benchmarks has been run designed to SPAM. The signature of
		// a noisiest UID statistics is one of the following:
		// a noisiest UID statistics is:
		//
		// main: UID/PID Total size/num Now UID/PID[?] Total
		// 0 7500306/304207 71608/3183 0/4225? 7454388/303656
		// <wrap> 93432/1012
		// -or-
		// 0/gone 7454388/303656 93432/1012
		// Chattiest UIDs in main log buffer: Size Pruned
		// UID PACKAGE BYTES LINES
		// 0 root 54164 147569
		//
		// basically if we see a large number of 0/????? entries
		unsigned long value;
		char *benchmark = NULL;
		do {
		char *benchmark = strstr(cp, " 0/");
		char *benchmark_newline = strstr(cp, "\n0/");
		static const char signature[] = "\n0 root ";

		benchmark = strstr(cp, signature);
		if (!benchmark) {
		benchmark = benchmark_newline;
		}
		if (benchmark_newline && (benchmark > benchmark_newline)) {
		benchmark = benchmark_newline;
		}
		cp = benchmark;
		if (!cp) {
		break;
		}
		cp += 3;
		while (isdigit(cp) \|\| (cp == 'g') \|\| (cp == 'o') \|\| (cp == 'n')) {
		cp = benchmark + sizeof(signature);
		while (isspace(*cp)) {
		++cp;
		}
		value = 0;
		// ###? or gone
		if ((cp == '?') \|\| (cp == 'e')) {
		while (*++cp == ' ');
		benchmark = cp;
		while (isdigit(*cp)) {
		value = value * 10ULL + *cp - '0';
		++cp;
		}
		if (*cp != '/') {
		value = 0;
		continue;
		while (isspace(*cp)) {
		++cp;
		}
		while (isdigit(*++cp));
		while (*cp == ' ') ++cp;
		if (!isdigit(*cp)) {
		value = 0;
		unsigned long value = 0;
		while (isdigit(*cp)) {
		value = value * 10ULL + *cp - '0';
		++cp;
		}
		if (value > 100000UL) {
		break;
		}
		} while ((value < 900000ULL) && *cp);
		return cp;
		benchmark = NULL;
		} while (*cp);
		return benchmark;
		}

		TEST(logd, statistics) {
		@@ -179,16 +168,16 @@ TEST(logd, statistics) {
		EXPECT_EQ(0, truncated);

		#ifdef TARGET_USES_LOGD
		char *main_logs = strstr(cp, "\nmain:");
		char *main_logs = strstr(cp, "\nChattiest UIDs in main ");
		EXPECT_TRUE(NULL != main_logs);

		char *radio_logs = strstr(cp, "\nradio:");
		char *radio_logs = strstr(cp, "\nChattiest UIDs in radio ");
		EXPECT_TRUE(NULL != radio_logs);

		char *system_logs = strstr(cp, "\nsystem:");
		char *system_logs = strstr(cp, "\nChattiest UIDs in system ");
		EXPECT_TRUE(NULL != system_logs);

		char *events_logs = strstr(cp, "\nevents:");
		char *events_logs = strstr(cp, "\nChattiest UIDs in events ");
		EXPECT_TRUE(NULL != events_logs);
		#endif

		@@ -431,13 +420,13 @@ TEST(logd, benchmark) {
		}

		#ifdef TARGET_USES_LOGD
		EXPECT_GE(100000UL, ns[log_maximum_retry]); // 42777 user
		EXPECT_GE(200000UL, ns[log_maximum_retry]); // 104734 user
		#else
		EXPECT_GE(10000UL, ns[log_maximum_retry]); // 5636 kernel
		#endif

		#ifdef TARGET_USES_LOGD
		EXPECT_GE(30000UL, ns[log_maximum]); // 27305 user
		EXPECT_GE(90000UL, ns[log_maximum]); // 46913 user
		#else
		EXPECT_GE(10000UL, ns[log_maximum]); // 5637 kernel
		#endif
		@@ -445,13 +434,13 @@ TEST(logd, benchmark) {
		EXPECT_GE(4096UL, ns[clock_overhead]); // 4095

		#ifdef TARGET_USES_LOGD
		EXPECT_GE(250000UL, ns[log_overhead]); // 121876 user
		EXPECT_GE(250000UL, ns[log_overhead]); // 126886 user
		#else
		EXPECT_GE(100000UL, ns[log_overhead]); // 50945 kernel
		#endif

		#ifdef TARGET_USES_LOGD
		EXPECT_GE(7500UL, ns[log_latency]); // 3718 user space
		EXPECT_GE(10000UL, ns[log_latency]); // 5669 user space
		#else
		EXPECT_GE(500000UL, ns[log_latency]); // 254200 kernel
		#endif
		@@ -483,8 +472,7 @@ TEST(logd, benchmark) {
		ASSERT_TRUE(benchmark_statistics_found != NULL);

		// Check how effective the SPAM filter is, parse out Now size.
		// Total Now
		// 0/4225? 7454388/303656 31488/755
		// 0 root 54164 147569
		// ^-- benchmark_statistics_found

		unsigned long nowSpamSize = atol(benchmark_statistics_found);