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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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package jdk.jfr.startupargs;
import java.time.Duration;
import jdk.jfr.FlightRecorder;
import jdk.jfr.Recording;
import jdk.jfr.internal.PlatformRecording;
import jdk.jfr.internal.PrivateAccess;
/**
* @ test
* @ summary Start a recording with a flush interval
* @ key jfr
* @ requires vm . hasJFR
* @ library / test / lib / test / jdk
* @ modules jdk . jfr / jdk . jfr . internal
* @ run main / othervm - XX : StartFlightRecording : flush - interval = 2 s jdk . jfr . startupargs . TestFlushInterval
*/
public class TestFlushInterval {
public static void main(String[] args) throws Exception {
for (Recording r : FlightRecorder.getFlightRecorder().getRecordings()) {
PrivateAccess p = PrivateAccess.getInstance();
PlatformRecording pr = p.getPlatformRecording(r);
Duration d = pr.getFlushInterval();
if (d.equals(Duration.ofSeconds(2 ))) {
return ; //OK
} else {
throw new Exception("Unexpected flush-interval " + d);
}
}
throw new Exception("No recording found" );
}
}
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