Date: Wed, 3 Feb 2010 01:13:24 GMT From: Robert Watson <rwatson@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 174204 for review Message-ID: <201002030113.o131DOLs058692@repoman.freebsd.org>
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http://p4web.freebsd.org/chv.cgi?CH=174204 Change 174204 by rwatson@rwatson_vimage_client on 2010/02/03 01:13:08 Microbenchmark for vfork. Affected files ... .. //depot/projects/trustedbsd/capabilities/src/tools/tools/syscall_timing/syscall_timing.c#6 edit Differences ... ==== //depot/projects/trustedbsd/capabilities/src/tools/tools/syscall_timing/syscall_timing.c#6 (text+ko) ==== @@ -388,6 +388,32 @@ } void +test_vfork(int num) +{ + pid_t pid; + int i; + + pid = vfork(); + if (pid < 0) + err(-1, "test_vfork: vfork"); + if (pid == 0) + exit(0); + if (waitpid(pid, NULL, 0) < 0) + err(-1, "test_vfork: waitpid"); + benchmark_start(); + for (i = 0; i < num; i++) { + pid = vfork(); + if (pid < 0) + err(-1, "test_vfork: vfork"); + if (pid == 0) + exit(0); + if (waitpid(pid, NULL, 0) < 0) + err(-1, "test_vfork: waitpid"); + } + benchmark_stop(); +} + +void test_pdfork(int num) { struct pollfd pollfd; @@ -545,6 +571,7 @@ { "fstat_cap_shmfd", test_fstat_cap_shmfd }, { "cap_enter", test_cap_enter }, { "fork", test_fork }, + { "vfork", test_vfork }, { "pdfork", test_pdfork }, { "sandbox", test_sandbox }, };help
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