diff options
| -rw-r--r-- | winsup/cygwin/ChangeLog | 6 | ||||
| -rw-r--r-- | winsup/cygwin/fhandler_proc.cc | 77 |
2 files changed, 60 insertions, 23 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 47ee10b..909830d 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,5 +1,11 @@ 2003-07-09 Christopher Faylor <cgf@redhat.com> + * fhandler_proc.cc (fhandler_proc::fill_filebuf): Allocate more space + for stat buffer. + (format_proc_stat): Reorganize to accumulate and report on all cpus. + +2003-07-09 Christopher Faylor <cgf@redhat.com> + * sysconf.cc (sysconf): Return processors online rather than bitmask for _SC_NPROCESSORS_ONLN. diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc index 286a8a2..57d91ff 100644 --- a/winsup/cygwin/fhandler_proc.cc +++ b/winsup/cygwin/fhandler_proc.cc @@ -349,7 +349,7 @@ fhandler_proc::fill_filebuf () } case PROC_STAT: { - filebuf = (char *) realloc (filebuf, bufalloc = 2048); + filebuf = (char *) realloc (filebuf, bufalloc = 16384); filesize = format_proc_stat (filebuf, bufalloc); break; } @@ -456,24 +456,61 @@ out: static _off64_t format_proc_stat (char *destbuf, size_t maxsize) { - unsigned long long user_time = 0ULL, kernel_time = 0ULL, idle_time = 0ULL; unsigned long pages_in = 0UL, pages_out = 0UL, interrupt_count = 0UL, context_switches = 0UL, swap_in = 0UL, swap_out = 0UL; time_t boot_time = 0; - if (wincap.is_winnt ()) + char *eobuf = destbuf; + if (!wincap.is_winnt ()) + eobuf += __small_sprintf (destbuf, "cpu %U %U %U %U\n", 0, 0, 0, 0); + else { NTSTATUS ret; - SYSTEM_PROCESSOR_TIMES spt; SYSTEM_PERFORMANCE_INFORMATION spi; SYSTEM_TIME_OF_DAY_INFORMATION stodi; - ret = NtQuerySystemInformation (SystemProcessorTimes, - (PVOID) &spt, - sizeof spt, NULL); + + SYSTEM_BASIC_INFORMATION sbi; + if ((ret = NtQuerySystemInformation (SystemBasicInformation, + (PVOID) &sbi, sizeof sbi, NULL)) + != STATUS_SUCCESS) + { + __seterrno_from_win_error (RtlNtStatusToDosError (ret)); + debug_printf ("NtQuerySystemInformation: ret = %d, " + "Dos(ret) = %d", + ret, RtlNtStatusToDosError (ret)); + sbi.NumberProcessors = 1; + } + + SYSTEM_PROCESSOR_TIMES spt[sbi.NumberProcessors]; + ret = NtQuerySystemInformation (SystemProcessorTimes, (PVOID) spt, + sizeof spt[0] * sbi.NumberProcessors, NULL); + interrupt_count = 0; if (ret == STATUS_SUCCESS) - ret = NtQuerySystemInformation (SystemPerformanceInformation, - (PVOID) &spi, - sizeof spi, NULL); + { + unsigned long long user_time = 0ULL, kernel_time = 0ULL, idle_time = 0ULL; + for (int i = 0; i < sbi.NumberProcessors; i++) + { + kernel_time += (spt[i].KernelTime.QuadPart - spt[i].IdleTime.QuadPart) * HZ / 10000000ULL; + user_time += spt[i].UserTime.QuadPart * HZ / 10000000ULL; + idle_time += spt[i].IdleTime.QuadPart * HZ / 10000000ULL; + } + + eobuf += __small_sprintf (eobuf, "cpu %U %U %U %U\n", + user_time, 0ULL, kernel_time, idle_time); + user_time = 0ULL, kernel_time = 0ULL, idle_time = 0ULL; + for (int i = 0; i < sbi.NumberProcessors; i++) + { + interrupt_count += spt[i].InterruptCount; + kernel_time = (spt[i].KernelTime.QuadPart - spt[i].IdleTime.QuadPart) * HZ / 10000000ULL; + user_time = spt[i].UserTime.QuadPart * HZ / 10000000ULL; + idle_time = spt[i].IdleTime.QuadPart * HZ / 10000000ULL; + eobuf += __small_sprintf (eobuf, "cpu%d %U %U %U %U\n", i, + user_time, 0ULL, kernel_time, idle_time); + } + + ret = NtQuerySystemInformation (SystemPerformanceInformation, + (PVOID) &spi, sizeof spi, NULL); + } if (ret == STATUS_SUCCESS) ret = NtQuerySystemInformation (SystemTimeOfDayInformation, (PVOID) &stodi, @@ -486,10 +523,6 @@ format_proc_stat (char *destbuf, size_t maxsize) ret, RtlNtStatusToDosError (ret)); return 0; } - kernel_time = (spt.KernelTime.QuadPart - spt.IdleTime.QuadPart) * HZ / 10000000ULL; - user_time = spt.UserTime.QuadPart * HZ / 10000000ULL; - idle_time = spt.IdleTime.QuadPart * HZ / 10000000ULL; - interrupt_count = spt.InterruptCount; pages_in = spi.PagesRead; pages_out = spi.PagefilePagesWritten + spi.MappedFilePagesWritten; /* @@ -512,19 +545,17 @@ format_proc_stat (char *destbuf, size_t maxsize) * counters is by no means worth it. * } */ - return __small_sprintf (destbuf, "cpu %U %U %U %U\n" - "page %u %u\n" + eobuf += __small_sprintf (eobuf, "page %u %u\n" "swap %u %u\n" "intr %u\n" "ctxt %u\n" "btime %u\n", - user_time, 0ULL, - kernel_time, idle_time, - pages_in, pages_out, - swap_in, swap_out, - interrupt_count, - context_switches, - boot_time); + pages_in, pages_out, + swap_in, swap_out, + interrupt_count, + context_switches, + boot_time); + return eobuf - destbuf; } #define read_value(x,y) \ |