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author | Daniel Lange <DLange@git.local> | 2016-04-11 13:01:07 +0200 |
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committer | Daniel Lange <DLange@git.local> | 2016-04-11 13:01:07 +0200 |
commit | ff9409b1737627857eb47f64f536a3f66b6a09a4 (patch) | |
tree | 61b631ba551e68a4f656b8b76ff7bd0d9955fc64 /openbsd/Platform.c | |
parent | f75ab6d2c11e8a8e18191b087564aedebbeb96c5 (diff) | |
download | debian_htop-ff9409b1737627857eb47f64f536a3f66b6a09a4.tar.gz debian_htop-ff9409b1737627857eb47f64f536a3f66b6a09a4.tar.bz2 debian_htop-ff9409b1737627857eb47f64f536a3f66b6a09a4.zip |
Imported Upstream version 2.0.0upstream/2.0.0
Diffstat (limited to 'openbsd/Platform.c')
-rw-r--r-- | openbsd/Platform.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/openbsd/Platform.c b/openbsd/Platform.c new file mode 100644 index 0000000..251a713 --- /dev/null +++ b/openbsd/Platform.c @@ -0,0 +1,302 @@ +/* +htop - openbsd/Platform.c +(C) 2014 Hisham H. Muhammad +(C) 2015 Michael McConville +Released under the GNU GPL, see the COPYING file +in the source distribution for its full text. +*/ + +#include "Platform.h" +#include "Meter.h" +#include "CPUMeter.h" +#include "MemoryMeter.h" +#include "SwapMeter.h" +#include "TasksMeter.h" +#include "LoadAverageMeter.h" +#include "UptimeMeter.h" +#include "ClockMeter.h" +#include "HostnameMeter.h" +#include "SignalsPanel.h" +#include "OpenBSDProcess.h" +#include "OpenBSDProcessList.h" + +#include <sys/sched.h> +#include <uvm/uvmexp.h> +#include <sys/param.h> +#include <sys/swap.h> + +#include <unistd.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <sys/types.h> +#include <sys/sysctl.h> +#include <sys/time.h> +#include <sys/resource.h> +#include <time.h> + +/*{ +#include "Action.h" +#include "BatteryMeter.h" +#include "SignalsPanel.h" + +extern ProcessFieldData Process_fields[]; + +}*/ + +#define MAXCPU 256 +// XXX: probably should be a struct member +static int64_t old_v[MAXCPU][5]; + +/* + * Copyright (c) 1984, 1989, William LeFebvre, Rice University + * Copyright (c) 1989, 1990, 1992, William LeFebvre, Northwestern University + * + * Taken directly from OpenBSD's top(1). + * + * percentages(cnt, out, new, old, diffs) - calculate percentage change + * between array "old" and "new", putting the percentages in "out". + * "cnt" is size of each array and "diffs" is used for scratch space. + * The array "old" is updated on each call. + * The routine assumes modulo arithmetic. This function is especially + * useful on BSD machines for calculating cpu state percentages. + */ +static int percentages(int cnt, int64_t *out, int64_t *new, int64_t *old, int64_t *diffs) { + int64_t change, total_change, *dp, half_total; + int i; + + /* initialization */ + total_change = 0; + dp = diffs; + + /* calculate changes for each state and the overall change */ + for (i = 0; i < cnt; i++) { + if ((change = *new - *old) < 0) { + /* this only happens when the counter wraps */ + change = INT64_MAX - *old + *new; + } + total_change += (*dp++ = change); + *old++ = *new++; + } + + /* avoid divide by zero potential */ + if (total_change == 0) + total_change = 1; + + /* calculate percentages based on overall change, rounding up */ + half_total = total_change / 2l; + for (i = 0; i < cnt; i++) + *out++ = ((*diffs++ * 1000 + half_total) / total_change); + + /* return the total in case the caller wants to use it */ + return (total_change); +} + +ProcessField Platform_defaultFields[] = { PID, USER, PRIORITY, NICE, M_SIZE, M_RESIDENT, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 }; + +int Platform_numberOfFields = LAST_PROCESSFIELD; + +/* + * See /usr/include/sys/signal.h + */ +SignalItem Platform_signals[] = { + { .name = " 0 Cancel", .number = 0 }, + { .name = " 1 SIGHUP", .number = 1 }, + { .name = " 2 SIGINT", .number = 2 }, + { .name = " 3 SIGQUIT", .number = 3 }, + { .name = " 4 SIGILL", .number = 4 }, + { .name = " 5 SIGTRAP", .number = 5 }, + { .name = " 6 SIGABRT", .number = 6 }, + { .name = " 6 SIGIOT", .number = 6 }, + { .name = " 7 SIGEMT", .number = 7 }, + { .name = " 8 SIGFPE", .number = 8 }, + { .name = " 9 SIGKILL", .number = 9 }, + { .name = "10 SIGBUS", .number = 10 }, + { .name = "11 SIGSEGV", .number = 11 }, + { .name = "12 SIGSYS", .number = 12 }, + { .name = "13 SIGPIPE", .number = 13 }, + { .name = "14 SIGALRM", .number = 14 }, + { .name = "15 SIGTERM", .number = 15 }, + { .name = "16 SIGURG", .number = 16 }, + { .name = "17 SIGSTOP", .number = 17 }, + { .name = "18 SIGTSTP", .number = 18 }, + { .name = "19 SIGCONT", .number = 19 }, + { .name = "20 SIGCHLD", .number = 20 }, + { .name = "21 SIGTTIN", .number = 21 }, + { .name = "22 SIGTTOU", .number = 22 }, + { .name = "23 SIGIO", .number = 23 }, + { .name = "24 SIGXCPU", .number = 24 }, + { .name = "25 SIGXFSZ", .number = 25 }, + { .name = "26 SIGVTALRM", .number = 26 }, + { .name = "27 SIGPROF", .number = 27 }, + { .name = "28 SIGWINCH", .number = 28 }, + { .name = "29 SIGINFO", .number = 29 }, + { .name = "30 SIGUSR1", .number = 30 }, + { .name = "31 SIGUSR2", .number = 31 }, + { .name = "32 SIGTHR", .number = 32 }, +}; + +unsigned int Platform_numberOfSignals = sizeof(Platform_signals)/sizeof(SignalItem); + +void Platform_setBindings(Htop_Action* keys) { + (void) keys; +} + +MeterClass* Platform_meterTypes[] = { + &CPUMeter_class, + &ClockMeter_class, + &LoadAverageMeter_class, + &LoadMeter_class, + &MemoryMeter_class, + &SwapMeter_class, + &TasksMeter_class, + &UptimeMeter_class, + &BatteryMeter_class, + &HostnameMeter_class, + &AllCPUsMeter_class, + &AllCPUs2Meter_class, + &LeftCPUsMeter_class, + &RightCPUsMeter_class, + &LeftCPUs2Meter_class, + &RightCPUs2Meter_class, + &BlankMeter_class, + NULL +}; + +// preserved from FreeBSD port +int Platform_getUptime() { + struct timeval bootTime, currTime; + int mib[2] = { CTL_KERN, KERN_BOOTTIME }; + size_t size = sizeof(bootTime); + + int err = sysctl(mib, 2, &bootTime, &size, NULL, 0); + if (err) { + return -1; + } + gettimeofday(&currTime, NULL); + + return (int) difftime(currTime.tv_sec, bootTime.tv_sec); +} + +void Platform_getLoadAverage(double* one, double* five, double* fifteen) { + struct loadavg loadAverage; + int mib[2] = { CTL_VM, VM_LOADAVG }; + size_t size = sizeof(loadAverage); + + int err = sysctl(mib, 2, &loadAverage, &size, NULL, 0); + if (err) { + *one = 0; + *five = 0; + *fifteen = 0; + return; + } + *one = (double) loadAverage.ldavg[0] / loadAverage.fscale; + *five = (double) loadAverage.ldavg[1] / loadAverage.fscale; + *fifteen = (double) loadAverage.ldavg[2] / loadAverage.fscale; +} + +int Platform_getMaxPid() { + // this is hard-coded in sys/sys/proc.h - no sysctl exists + return 32766; +} + +double Platform_setCPUValues(Meter* this, int cpu) { + int i; + double perc; + + OpenBSDProcessList* pl = (OpenBSDProcessList*) this->pl; + CPUData* cpuData = &(pl->cpus[cpu]); + int64_t new_v[CPUSTATES], diff_v[CPUSTATES], scratch_v[CPUSTATES]; + double *v = this->values; + size_t size = sizeof(double) * CPUSTATES; + int mib[] = { CTL_KERN, KERN_CPTIME2, cpu-1 }; + if (sysctl(mib, 3, new_v, &size, NULL, 0) == -1) { + return 0.; + } + + // XXX: why? + cpuData->totalPeriod = 1; + + percentages(CPUSTATES, diff_v, new_v, + (int64_t *)old_v[cpu-1], scratch_v); + + for (i = 0; i < CPUSTATES; i++) { + old_v[cpu-1][i] = new_v[i]; + v[i] = diff_v[i] / 10.; + } + + Meter_setItems(this, 4); + + perc = v[0] + v[1] + v[2] + v[3]; + + if (perc <= 100. && perc >= 0.) { + return perc; + } else { + return 0.; + } +} + +void Platform_setMemoryValues(Meter* this) { + ProcessList* pl = (ProcessList*) this->pl; + long int usedMem = pl->usedMem; + long int buffersMem = pl->buffersMem; + long int cachedMem = pl->cachedMem; + usedMem -= buffersMem + cachedMem; + this->total = pl->totalMem; + this->values[0] = usedMem; + this->values[1] = buffersMem; + this->values[2] = cachedMem; +} + +/* + * Copyright (c) 1994 Thorsten Lockert <tholo@sigmasoft.com> + * All rights reserved. + * + * Taken almost directly from OpenBSD's top(1) + */ +void Platform_setSwapValues(Meter* this) { + ProcessList* pl = (ProcessList*) this->pl; + struct swapent *swdev; + unsigned long long int total, used; + int nswap, rnswap, i; + nswap = swapctl(SWAP_NSWAP, 0, 0); + if (nswap == 0) { + return; + } + + swdev = xCalloc(nswap, sizeof(*swdev)); + if (swdev == NULL) { + return; + } + + rnswap = swapctl(SWAP_STATS, swdev, nswap); + if (rnswap == -1) { + free(swdev); + return; + } + + // if rnswap != nswap, then what? + + /* Total things up */ + total = used = 0; + for (i = 0; i < nswap; i++) { + if (swdev[i].se_flags & SWF_ENABLE) { + used += (swdev[i].se_inuse / (1024 / DEV_BSIZE)); + total += (swdev[i].se_nblks / (1024 / DEV_BSIZE)); + } + } + + this->total = pl->totalSwap = total; + this->values[0] = pl->usedSwap = used; + + free(swdev); +} + +void Platform_setTasksValues(Meter* this) { + // TODO +} + +char* Platform_getProcessEnv(pid_t pid) { + // TODO + return NULL; +} |