510 lines
14 KiB
C
510 lines
14 KiB
C
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/*++
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Copyright (C) Microsoft Corporation, 1994 - 1999
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Module Name:
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context.c
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Abstract:
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Performance test comparing different methods of context switching
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on NT. The tests process-to-process and thread-to-thread context
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switching. This code acts as both a client and a server.
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Author:
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Mario Goertzel (mariogo) 30-Mar-1994
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Revision History:
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--*/
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#include <rpcperf.h>
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static const char *REQUEST_EVENT = "Context Switch Perf Request Event";
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static const char *REQUEST_EVENT2 = "Context Switch Perf Request Event #2";
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static const char *REPLY_EVENT = "Context Switch Perf Reply Event";
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static const char *EVENT_PAIR = "\\RPC Control\\Perf Test: EventPair";
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const char *USAGE="-n type -n case\n"
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" Types:\n"
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" 1: Client and server (thread-to-thread context switches)\n"
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" 2: Server side of test (process-to-process)\n"
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" 3: Client side of test (process-to-process)\n"
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" Cases:\n"
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" 1: Use NT eventpairs\n"
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" 2: Use NT eventpairs (two step client)\n"
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" 3: Use SetEvent/WaitForSingleObject\n"
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" 4: Use SetEvent/WaitForSingleObject with timeout\n"
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" 5: Use SetEvent/WaitForMultipleObjects\n"
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" 6: Use SetEvent/WaitForMultipleObjects with timeout\n"
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" 7: Use SignalObjectAndWait on events\n"
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" 8: Use SignalObjectAndWait on events w/ timeout\n"
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;
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//
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// The Server function is the server of the test. The client
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// maybe in the process, or another process, nobody knows...
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//
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ULONG Server(ULONG arg)
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{
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ULONG status;
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ULONG i;
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switch(Options[1])
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{
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case 1:
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case 2:
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{
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// NT event pairs
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OBJECT_ATTRIBUTES oaEventPair;
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ANSI_STRING ansiEventPairName;
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UNICODE_STRING unicodeEventPairName;
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HANDLE hEventPair;
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RtlInitAnsiString(&ansiEventPairName, EVENT_PAIR);
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RtlAnsiStringToUnicodeString(&unicodeEventPairName,
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&ansiEventPairName,
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TRUE);
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InitializeObjectAttributes(&oaEventPair,
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&unicodeEventPairName,
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OBJ_CASE_INSENSITIVE,
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0,
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0);
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status = NtCreateEventPair(&hEventPair,
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EVENT_PAIR_ALL_ACCESS,
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&oaEventPair);
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if (!NT_SUCCESS(status))
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{
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printf("NtCreateEventPair failed -- %8lX\n", status);
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return 1;
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}
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for(;;)
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{
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status = NtSetLowWaitHighEventPair(hEventPair);
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if (!NT_SUCCESS(status))
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{
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printf("NtSetLowWaitHighEventPair failed - %08lX\n",
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status);
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return(1);
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}
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}
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break;
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}
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case 3:
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case 4:
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{
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// Win32 events (w/ or w/o a timeout)
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ULONG timeout = (Options[1] == 3)?INFINITE:2000;
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HANDLE hEvent1, hEvent2;
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hEvent1 = CreateEvent(0,
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FALSE,
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FALSE,
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REQUEST_EVENT);
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hEvent2 = CreateEvent(0,
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FALSE,
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FALSE,
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REPLY_EVENT);
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if ( (hEvent1 == 0) || (hEvent2 == 0))
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{
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printf("CreateEvent failed - %08x\n", GetLastError());
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exit(1);
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}
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for(;;)
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{
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// Wait for clients request
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status = WaitForSingleObject(hEvent1, timeout);
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if (status != WAIT_OBJECT_0)
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{
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printf("Server WaitForSingleObject failed -- %08x\n", GetLastError());
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return 1;
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}
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// Reply
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status = SetEvent(hEvent2);
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if (status == 0)
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{
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printf("SetEvent failed - %08x\n", GetLastError());
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exit(1);
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}
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}
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CloseHandle(hEvent1);
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CloseHandle(hEvent2);
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break;
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}
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case 5:
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case 6:
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{
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// WaitForMultipleObjects/SetEvent w/ and w/o timeouts.
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ULONG timeout = (Options[1] == 5)?INFINITE:2000;
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ULONG cCount = 2;
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HANDLE ahEvents[2];
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HANDLE hReplyEvent;
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ahEvents[0] = CreateEvent(0,
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FALSE,
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FALSE,
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REQUEST_EVENT);
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ahEvents[1] = CreateEvent(0,
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FALSE,
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FALSE,
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REQUEST_EVENT2);
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hReplyEvent = CreateEvent(0,
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FALSE,
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FALSE,
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REPLY_EVENT);
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if ( (ahEvents[0] == 0) || (ahEvents[1] == 0) || (hReplyEvent == 0))
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{
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printf("CreateEvent failed - %08x\n", GetLastError());
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exit(1);
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}
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for(;;)
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{
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// Wait for clients request
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status = WaitForMultipleObjects(cCount, ahEvents, FALSE, timeout);
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if (status != WAIT_OBJECT_0)
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{
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printf("Server WaitForMultpleObjects failed -- %08x\n", GetLastError());
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return 1;
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}
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// Reply
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status = SetEvent(hReplyEvent);
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if (status == 0)
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{
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printf("SetEvent failed - %08x\n", GetLastError());
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exit(1);
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}
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}
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CloseHandle(ahEvents[0]);
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CloseHandle(ahEvents[1]);
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CloseHandle(hReplyEvent);
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break;
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}
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case 7:
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case 8:
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{
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ULONG timeout = (Options[1] == 7)?INFINITE:2000;
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HANDLE hEvent1, hEvent2;
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hEvent1 = CreateEvent(0,
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FALSE,
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FALSE,
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REQUEST_EVENT);
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hEvent2 = CreateEvent(0,
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FALSE,
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FALSE,
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REPLY_EVENT);
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if ( (hEvent1 == 0) || (hEvent2 == 0))
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{
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printf("CreateEvent failed - %08x\n", GetLastError());
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exit(1);
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}
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status = WaitForSingleObject(hEvent1, INFINITE);
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if (status != WAIT_OBJECT_0)
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{
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printf("Server WaitForSingleObject failed == %08x\n", GetLastError());
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}
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for(;;)
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{
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// Wait for clients request
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status = SignalObjectAndWait(hEvent2, hEvent1, timeout, FALSE);
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if (status != WAIT_OBJECT_0)
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{
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printf("Server SignalObjectAndWait failed -- %08x\n", GetLastError());
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return 1;
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}
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}
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CloseHandle(hEvent1);
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CloseHandle(hEvent2);
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break;
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}
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}
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return 0;
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}
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int __cdecl
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main(int argc, char **argv)
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{
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ULONG i;
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HANDLE hServer;
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ULONG status;
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ParseArgv(argc, argv);
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if ( (Options[0] < 0)
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|| (Options[0] > 3)
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{
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printf("Usage: %s : %s\n",
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argv[0],
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USAGE);
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return 1;
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}
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if (Options[0] == 2)
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{
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// Server only - run server.
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return Server(0);
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}
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if (Options[0] == 1)
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{
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// Both client and server, start server thread
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hServer = CreateThread(0,
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0,
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(LPTHREAD_START_ROUTINE)Server,
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0,
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0,
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&i);
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if (hServer == 0)
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{
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printf("Create thread failed - %08x\n", GetLastError());
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return 1;
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}
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Sleep(500); // Let the server startup
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}
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// Run client side
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switch(Options[1])
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{
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case 1:
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case 2:
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{
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// NT event pairs
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OBJECT_ATTRIBUTES oaEventPair;
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ANSI_STRING ansiEventPairName;
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UNICODE_STRING unicodeEventPairName;
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HANDLE hEventPair;
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char * string =(Options[1]==1)?"eventpair":"eventpair (client set and wait)";
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RtlInitAnsiString(&ansiEventPairName, EVENT_PAIR);
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RtlAnsiStringToUnicodeString(&unicodeEventPairName,
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&ansiEventPairName,
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TRUE);
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InitializeObjectAttributes(&oaEventPair,
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&unicodeEventPairName,
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OBJ_CASE_INSENSITIVE,
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0,
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0);
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status = NtOpenEventPair(&hEventPair,
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EVENT_PAIR_ALL_ACCESS,
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&oaEventPair);
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if (!NT_SUCCESS(status))
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{
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printf("NtOpenEventPair failed -- %8lX\n", status);
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return 1;
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}
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StartTime();
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if (Options[1] == 1)
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{
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for(i = 0; i < Iterations; i++)
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{
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NtSetHighWaitLowEventPair(hEventPair);
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}
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}
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else
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{
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for(i = 0; i < Iterations; i++)
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{
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NtSetHighEventPair(hEventPair);
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NtWaitLowEventPair(hEventPair);
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}
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}
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EndTime(string);
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break;
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}
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case 3:
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case 4:
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case 5:
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case 6:
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{
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// Win32 events (w/ or w/o a timeout, WSO, WMO)
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ULONG timeout;
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char *string;
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HANDLE hEvent1, hEvent2;
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if ( (Options[1] == 4) || Options[1] == 6)
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timeout = 2000;
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else
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timeout = INFINITE;
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switch(Options[1])
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{
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case 3:
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string = "SetEvent/WaitForSingleObject";
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break;
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case 4:
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string = "SetEvent/WaitForSingleObject with timeout";
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break;
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case 5:
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string = "SetEvent/WaitForMultpleObjects";
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break;
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case 6:
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string = "SetEvent/WaitForMultipleObjects with timeout";
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break;
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}
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hEvent1 = CreateEvent(0,
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FALSE,
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FALSE,
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REQUEST_EVENT);
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hEvent2 = CreateEvent(0,
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FALSE,
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FALSE,
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REPLY_EVENT);
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if ( (hEvent1 == 0) || (hEvent2 == 0))
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{
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printf("CreateEvent failed - %08x\n", GetLastError());
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return 1;
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}
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StartTime();
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for(i = 0; i < Iterations; i++)
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{
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status = SetEvent(hEvent1);
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if (status == 0)
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{
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printf("SetEvent failed - %08x\n", GetLastError());
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return 1;
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}
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status = WaitForSingleObject(hEvent2, timeout);
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if (status != WAIT_OBJECT_0)
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{
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printf("WaitForSingleObejct failed -- %08x\n", GetLastError());
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return 1;
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}
|
||
|
|
}
|
||
|
|
EndTime(string);
|
||
|
|
|
||
|
|
CloseHandle(hEvent1);
|
||
|
|
CloseHandle(hEvent2);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case 7:
|
||
|
|
case 8:
|
||
|
|
{
|
||
|
|
// Win32 events (w/ or w/o a timeout) and SignalObjectAndWait()
|
||
|
|
|
||
|
|
ULONG timeout;
|
||
|
|
char *string;
|
||
|
|
HANDLE hEvent1, hEvent2;
|
||
|
|
|
||
|
|
if ( (Options[1] == 8) )
|
||
|
|
timeout = 2000;
|
||
|
|
else
|
||
|
|
timeout = INFINITE;
|
||
|
|
|
||
|
|
switch(Options[1])
|
||
|
|
{
|
||
|
|
case 7:
|
||
|
|
string = "SignalObjectAndWait";
|
||
|
|
break;
|
||
|
|
case 8:
|
||
|
|
string = "SignalObjectAndWait with timeout";
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
hEvent1 = CreateEvent(0,
|
||
|
|
FALSE,
|
||
|
|
FALSE,
|
||
|
|
REQUEST_EVENT);
|
||
|
|
|
||
|
|
hEvent2 = CreateEvent(0,
|
||
|
|
FALSE,
|
||
|
|
FALSE,
|
||
|
|
REPLY_EVENT);
|
||
|
|
|
||
|
|
if ( (hEvent1 == 0) || (hEvent2 == 0))
|
||
|
|
{
|
||
|
|
printf("CreateEvent failed - %08x\n", GetLastError());
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
StartTime();
|
||
|
|
for(i = 0; i < Iterations; i++)
|
||
|
|
{
|
||
|
|
status = SignalObjectAndWait(hEvent1, hEvent2, timeout, FALSE);
|
||
|
|
|
||
|
|
if (status != WAIT_OBJECT_0)
|
||
|
|
{
|
||
|
|
printf("SignalObjectAndWait failed -- %08x\n", GetLastError());
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
EndTime(string);
|
||
|
|
|
||
|
|
CloseHandle(hEvent1);
|
||
|
|
CloseHandle(hEvent2);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// Blow off the server thread.
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|