Reading swap data!

This commit is contained in:
Hisham Muhammad 2014-11-27 18:31:39 -02:00
parent d8f2b5abf7
commit 0aa485cf47
3 changed files with 44 additions and 16 deletions

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@ -141,6 +141,10 @@ else
[AC_CHECK_HEADERS([ncurses.h],[:],[missing_headers="$missing_headers $ac_header"])])])]) [AC_CHECK_HEADERS([ncurses.h],[:],[missing_headers="$missing_headers $ac_header"])])])])
fi fi
if test "$my_htop_platform" = "freebsd"; then
AC_CHECK_LIB([kvm], [kvm_open], [], [missing_libraries="$missing_libraries libkvm"])
fi
AC_ARG_ENABLE(native_affinity, [AC_HELP_STRING([--enable-native-affinity], [enable native sched_setaffinity and sched_getaffinity for affinity support, disables hwloc])], ,enable_native_affinity="yes") AC_ARG_ENABLE(native_affinity, [AC_HELP_STRING([--enable-native-affinity], [enable native sched_setaffinity and sched_getaffinity for affinity support, disables hwloc])], ,enable_native_affinity="yes")
if test "x$enable_native_affinity" = xyes -a "x$cross_compiling" = xno; then if test "x$enable_native_affinity" = xyes -a "x$cross_compiling" = xno; then
AC_MSG_CHECKING([for usable sched_setaffinity]) AC_MSG_CHECKING([for usable sched_setaffinity])

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@ -26,12 +26,15 @@ typedef struct FreeBSDProcessList_ {
}*/ }*/
static int MIB_vm_stats_vm_v_wire_count[4]; static int MIB_vm_stats_vm_v_wire_count[4];
static int MIB_vm_stats_vm_v_cache_count[4];
static int MIB_hw_physmem[2]; static int MIB_hw_physmem[2];
static int pageSizeKb;
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList) { ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList) {
FreeBSDProcessList* this = calloc(1, sizeof(FreeBSDProcessList)); FreeBSDProcessList* fpl = calloc(1, sizeof(FreeBSDProcessList));
ProcessList* pl = (ProcessList*) this; ProcessList* pl = (ProcessList*) fpl;
ProcessList_init((ProcessList*)this, usersTable, pidWhiteList); ProcessList_init(pl, usersTable, pidWhiteList);
int cpus = 1; int cpus = 1;
size_t sizeof_cpus = sizeof(cpus); size_t sizeof_cpus = sizeof(cpus);
@ -45,31 +48,51 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList) {
pl->cpus[i].totalPeriod = 1; pl->cpus[i].totalPeriod = 1;
} }
size_t len = 4; size_t len;
sysctlnametomib("vm.stats.vm.v_wire_count", MIB_vm_stats_vm_v_wire_count, &len); len = 4; sysctlnametomib("vm.stats.vm.v_wire_count", MIB_vm_stats_vm_v_wire_count, &len);
len = 2; len = 4; sysctlnametomib("vm.stats.vm.v_cache_count", MIB_vm_stats_vm_v_cache_count, &len);
sysctlnametomib("hw.physmem", MIB_hw_physmem, &len); len = 2; sysctlnametomib("hw.physmem", MIB_hw_physmem, &len);
pageSizeKb = PAGE_SIZE_KB;
fpl->kd = kvm_open(NULL, "/dev/null", NULL, 0, NULL);
assert(fpl->kd);
return (ProcessList*) this; return pl;
}
void ProcessList_delete(ProcessList* this) {
const FreeBSDProcessList* fpl = (FreeBSDProcessList*) this;
if (fpl->kd) kvm_close(fpl->kd);
ProcessList_done(this);
free(this);
} }
static inline void FreeBSDProcessList_scanMemoryInfo(ProcessList* pl) { static inline void FreeBSDProcessList_scanMemoryInfo(ProcessList* pl) {
const FreeBSDProcessList* fpl = (FreeBSDProcessList*) pl; const FreeBSDProcessList* fpl = (FreeBSDProcessList*) pl;
unsigned long long int swapFree = 0;
size_t len = sizeof(pl->totalMem); size_t len = sizeof(pl->totalMem);
sysctl(MIB_hw_physmem, 2, &(pl->totalMem), &len, NULL, 0); sysctl(MIB_hw_physmem, 2, &(pl->totalMem), &len, NULL, 0);
pl->totalMem /= 1024; pl->totalMem /= 1024;
sysctl(MIB_vm_stats_vm_v_wire_count, 4, &(pl->usedMem), &len, NULL, 0); sysctl(MIB_vm_stats_vm_v_wire_count, 4, &(pl->usedMem), &len, NULL, 0);
pl->usedMem *= PAGE_SIZE / 1024; pl->usedMem *= pageSizeKb;
pl->freeMem = pl->totalMem - pl->usedMem; pl->freeMem = pl->totalMem - pl->usedMem;
sysctl(MIB_vm_stats_vm_v_cache_count, 4, &(pl->cachedMem), &len, NULL, 0);
pl->cachedMem *= pageSizeKb;
pl->sharedMem = 0; struct kvm_swap swap[16];
pl->buffersMem = 0; int nswap = kvm_getswapinfo(fpl->kd, swap, sizeof(swap)/sizeof(swap[0]), 0);
pl->cachedMem = 0;
pl->totalSwap = 0; pl->totalSwap = 0;
swapFree = 0; pl->usedSwap = 0;
pl->usedSwap = pl->totalSwap - swapFree; for (int i = 0; i < nswap; i++) {
pl->totalSwap += swap[i].ksw_total;
pl->usedSwap += swap[i].ksw_used;
}
pl->totalSwap *= pageSizeKb;
pl->usedSwap *= pageSizeKb;
pl->sharedMem = 0; // currently unused
pl->buffersMem = 0; // not exposed to userspace
} }
void ProcessList_scan(ProcessList* this) { void ProcessList_scan(ProcessList* this) {

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@ -18,9 +18,10 @@ typedef struct FreeBSDProcessList_ {
} FreeBSDProcessList; } FreeBSDProcessList;
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList); ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList);
void ProcessList_delete(ProcessList* this);
void ProcessList_scan(ProcessList* this); void ProcessList_scan(ProcessList* this);
#endif #endif