This is xnu-12377.1.9. See this file in:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<array>
    <dict>
        <key>Name</key>
        <string>Task/Thread Suspend</string>
        <key>Children</key>
        <array>
            <dict>
                <key>Name</key>
                <string>Task Suspend</string>
                <key>Type</key>
                <string>Interval</string>
                <key>KTraceCodeBegin</key>
                <string>0x1210000</string>
                <key>KTraceCodeEnd</key>
                <string>0x1210004</string>
                <key>EventsMatchedBy</key>
                <string>Arg1</string>
                <key>ArgNamesBegin</key>
                <dict>
                    <key>Arg1</key>
                    <string>pid</string>
                    <key>Arg2</key>
                    <string>user_stop_count</string>
                    <key>Arg3</key>
                    <string>pidsuspended</string>
                </dict>
                <key>ArgNamesEnd</key>
                <dict>
                    <key>Arg1</key>
                    <string>pid</string>
                </dict>
                <key>ArgValueTypesBegin</key>
                <dict>
                    <key>Arg1</key>
                    <string>ProcessName</string>
                </dict>
                <key>ArgValueTypesEnd</key>
                <dict>
                    <key>Arg1</key>
                    <string>ProcessName</string>
                </dict>
            </dict>

            <dict>
                <key>Name</key>
                <string>Task Suspend Begin</string>
                <key>Type</key>
                <string>Impulse</string>
                <key>KTraceCode</key>
                <string>0x1210000</string>
                <key>EventsMatchedBy</key>
                <string>Arg1</string>
                <key>ArgNames</key>
                <dict>
                    <key>Arg1</key>
                    <string>pid</string>
                    <key>Arg2</key>
                    <string>user_stop_count</string>
                    <key>Arg3</key>
                    <string>pidsuspended</string>
                </dict>
                <key>ArgValueTypes</key>
                <dict>
                    <key>Arg1</key>
                    <string>ProcessName</string>
                </dict>
            </dict>

			<dict>
                <key>Name</key>
                <string>Thread Suspend</string>
                <key>Type</key>
                <string>Interval</string>
                <key>KTraceCodeBegin</key>
                <string>0x1210008</string>
                <key>KTraceCodeEnd</key>
                <string>0x121000c</string>
                <key>EventsMatchedBy</key>
                <string>Arg1</string>
                <key>ArgNamesBegin</key>
                <dict>
                    <key>Arg1</key>
                    <string>suspended thread tid</string>
                    <key>Arg2</key>
                    <string>user stop count</string>
                    <key>Arg3</key>
                    <string>pidsuspended</string>
                </dict>
                <key>ArgNamesEnd</key>
                <dict>
                    <key>Arg1</key>
                    <string>suspended thread tid</string>
                </dict>
                <key>ArgValueTypesBegin</key>
                <dict>
                    <key>Arg1</key>
                    <string>ThreadName</string>
                </dict>
                <key>ArgValueTypesEnd</key>
                <dict>
                    <key>Arg1</key>
                    <string>ThreadName</string>
                </dict>
            </dict>

            <dict>
                <key>Name</key>
                <string>Thread Suspend Begin</string>
                <key>Type</key>
                <string>Impulse</string>
                <key>KTraceCode</key>
                <string>0x1210008</string>
                <key>EventsMatchedBy</key>
                <string>Arg1</string>
                <key>ArgNames</key>
                <dict>
                    <key>Arg1</key>
                    <string>suspended thread tid</string>
                    <key>Arg2</key>
                    <string>user stop count</string>
                    <key>Arg3</key>
                    <string>pidsuspended</string>
                </dict>
                <key>ArgValueTypes</key>
                <dict>
                    <key>Arg1</key>
                    <string>ThreadName</string>
                </dict>
            </dict>

            <dict>
                <key>Name</key>
                <string>Thread Resume</string>
                <key>Type</key>
                <string>Impulse</string>
                <key>KTraceCode</key>
                <string>0x121000c</string>
                <key>EventsMatchedBy</key>
                <string>Arg1</string>
                <key>ArgNames</key>
                <dict>
                    <key>Arg1</key>
                    <string>suspended thread tid</string>
                </dict>
                <key>ArgValueTypes</key>
                <dict>
                    <key>Arg1</key>
                    <string>ThreadName</string>
                </dict>
            </dict>

        </array>
    </dict>
</array>
</plist>