.
.\" Document /////////////////////////////////////////////////////////////
.\" ----------------------------------------------------------------------
-.TH TOP 1 "March 2017" "procps-ng" "User Commands"
+.TH TOP 1 "May 2017" "procps-ng" "User Commands"
.\" ----------------------------------------------------------------------
.\" ----------------------------------------------------------------------
a task's dispatch-ability.
.TP 4
-14.\fB OOMa \*(Em Out of Memory Adjustment Factor \fR
+14.\fB NU \*(Em Last known NUMA node \fR
+A number representing the NUMA node associated with the last used processor (`P').
+When -1 is displayed it means that NUMA information is not available.
+
+\*(XC `'2' and `3' \*(CIs for additional NUMA provisions affecting the \*(SA.
+
+.TP 4
+15.\fB OOMa \*(Em Out of Memory Adjustment Factor \fR
The value, ranging from -1000 to +1000, added to the current out of memory
score (OOMs) which is then used to determine which task to kill when memory
is exhausted.
.TP 4
-15.\fB OOMs \*(Em Out of Memory Score \fR
+16.\fB OOMs \*(Em Out of Memory Score \fR
The value, ranging from 0 to +1000, used to select task(s) to kill when memory
is exhausted.
Zero translates to `never kill' whereas 1000 means `always kill'.
.TP 4
-16.\fB P \*(Em Last used \*(PU (SMP) \fR
+17.\fB P \*(Em Last used \*(PU (SMP) \fR
A number representing the last used processor.
In a true SMP environment this will likely change frequently since the kernel
intentionally uses weak affinity.
\*(Pu time).
.TP 4
-17.\fB PGRP \*(Em Process Group Id \fR
+18.\fB PGRP \*(Em Process Group Id \fR
Every process is member of a unique process group which is used for
distribution of signals and by terminals to arbitrate requests for their
input and output.
member of a process group, called the process group leader.
.TP 4
-18.\fB PID \*(Em Process Id \fR
+19.\fB PID \*(Em Process Id \fR
The task's unique process ID, which periodically wraps, though never
restarting at zero.
In kernel terms, it is a dispatchable entity defined by a task_struct.
and a TTY process group ID for the process group leader (\*(Xa TPGID).
.TP 4
-19.\fB PPID \*(Em Parent Process Id \fR
+20.\fB PPID \*(Em Parent Process Id \fR
The process ID (pid) of a task's parent.
.TP 4
-20.\fB PR \*(Em Priority \fR
+21.\fB PR \*(Em Priority \fR
The scheduling priority of the task.
If you see `rt' in this field, it means the task is running
under real time scheduling priority.
And while the 2.6 kernel can be made mostly preemptible, it is not always so.
.TP 4
-21.\fB RES \*(Em Resident Memory Size (KiB) \fR
+22.\fB RES \*(Em Resident Memory Size (KiB) \fR
A subset of the virtual address space (VIRT) representing the non-swapped
\*(MP a task is currently using.
It is also the sum of the RSan, RSfd and RSsh fields.
\*(XX.
.TP 4
-22.\fB RSan \*(Em Resident Anonymous Memory Size (KiB) \fR
+23.\fB RSan \*(Em Resident Anonymous Memory Size (KiB) \fR
A subset of resident memory (RES) representing private pages not
mapped to a file.
.TP 4
-23.\fB RSfd \*(Em Resident File-Backed Memory Size (KiB) \fR
+24.\fB RSfd \*(Em Resident File-Backed Memory Size (KiB) \fR
A subset of resident memory (RES) representing the implicitly shared
pages supporting program images and shared libraries.
It also includes explicit file mappings, both private and shared.
.TP 4
-24.\fB RSlk \*(Em Resident Locked Memory Size (KiB) \fR
+25.\fB RSlk \*(Em Resident Locked Memory Size (KiB) \fR
A subset of resident memory (RES) which cannot be swapped out.
.TP 4
-25.\fB RSsh \*(Em Resident Shared Memory Size (KiB) \fR
+26.\fB RSsh \*(Em Resident Shared Memory Size (KiB) \fR
A subset of resident memory (RES) representing the explicitly shared
anonymous shm*/mmap pages.
.TP 4
-26.\fB RUID \*(Em Real User Id \fR
+27.\fB RUID \*(Em Real User Id \fR
The\fI real\fR user ID.
.TP 4
-27.\fB RUSER \*(Em Real User Name \fR
+28.\fB RUSER \*(Em Real User Name \fR
The\fI real\fR user name.
.TP 4
-28.\fB S \*(Em Process Status \fR
+29.\fB S \*(Em Process Status \fR
The status of the task which can be one of:
\fBD\fR = uninterruptible sleep
\fBR\fR = running
depending on \*(We's delay interval and nice value.
.TP 4
-29.\fB SHR \*(Em Shared Memory Size (KiB) \fR
+30.\fB SHR \*(Em Shared Memory Size (KiB) \fR
A subset of resident memory (RES) that may be used by other processes.
It will include shared anonymous pages and shared file-backed pages.
It also includes private pages mapped to files representing
\*(XX.
.TP 4
-30.\fB SID \*(Em Session Id \fR
+31.\fB SID \*(Em Session Id \fR
A session is a collection of process groups (\*(Xa PGRP),
usually established by the login shell.
A newly forked process joins the session of its creator.
login shell.
.TP 4
-31.\fB SUID \*(Em Saved User Id \fR
+32.\fB SUID \*(Em Saved User Id \fR
The\fI saved\fR user ID.
.TP 4
-32.\fB SUPGIDS \*(Em Supplementary Group IDs \fR
+33.\fB SUPGIDS \*(Em Supplementary Group IDs \fR
The IDs of any supplementary group(s) established at login or
inherited from a task's parent.
They are displayed in a comma delimited list.
any truncated data.
.TP 4
-33.\fB SUPGRPS \*(Em Supplementary Group Names \fR
+34.\fB SUPGRPS \*(Em Supplementary Group Names \fR
The names of any supplementary group(s) established at login or
inherited from a task's parent.
They are displayed in a comma delimited list.
any truncated data.
.TP 4
-34.\fB SUSER \*(Em Saved User Name \fR
+35.\fB SUSER \*(Em Saved User Name \fR
The\fI saved\fR user name.
.TP 4
-35.\fB SWAP \*(Em Swapped Size (KiB) \fR
+36.\fB SWAP \*(Em Swapped Size (KiB) \fR
The formerly resident portion of a task's address space written
to the \*(MS when \*(MP becomes over committed.
\*(XX.
.TP 4
-36.\fB TGID \*(Em Thread Group Id \fR
+37.\fB TGID \*(Em Thread Group Id \fR
The ID of the thread group to which a task belongs.
It is the PID of the thread group leader.
In kernel terms, it represents those tasks that share an mm_struct.
.TP 4
-37.\fB TIME \*(Em \*(PU Time \fR
+38.\fB TIME \*(Em \*(PU Time \fR
Total \*(PU time the task has used since it started.
When Cumulative mode is \*O, each process is listed with the \*(Pu
time that it and its dead children have used.
\*(XC `S' \*(CI for additional information regarding this mode.
.TP 4
-38.\fB TIME+ \*(Em \*(PU Time, hundredths \fR
+39.\fB TIME+ \*(Em \*(PU Time, hundredths \fR
The same as TIME, but reflecting more granularity through hundredths
of a second.
.TP 4
-39.\fB TPGID \*(Em Tty Process Group Id \fR
+40.\fB TPGID \*(Em Tty Process Group Id \fR
The process group ID of the foreground process for the connected tty,
or \-1 if a process is not connected to a terminal.
By convention, this value equals the process ID (\*(Xa PID) of the
process group leader (\*(Xa PGRP).
.TP 4
-40.\fB TTY \*(Em Controlling Tty \fR
+41.\fB TTY \*(Em Controlling Tty \fR
The name of the controlling terminal.
This is usually the device (serial port, pty, etc.) from which the
process was started, and which it uses for input or output.
you'll see `?' displayed.
.TP 4
-41.\fB UID \*(Em User Id \fR
+42.\fB UID \*(Em User Id \fR
The\fI effective\fR user ID of the task's owner.
.TP 4
-42.\fB USED \*(Em Memory in Use (KiB) \fR
+43.\fB USED \*(Em Memory in Use (KiB) \fR
This field represents the non-swapped \*(MP a task is using (RES) plus
the swapped out portion of its address space (SWAP).
\*(XX.
.TP 4
-43.\fB USER \*(Em User Name \fR
+44.\fB USER \*(Em User Name \fR
The\fI effective\fR user name of the task's owner.
.TP 4
-44.\fB VIRT \*(Em Virtual Memory Size (KiB) \fR
+45.\fB VIRT \*(Em Virtual Memory Size (KiB) \fR
The total amount of \*(MV used by the task.
It includes all code, data and shared libraries plus pages that have been
swapped out and pages that have been mapped but not used.
\*(XX.
.TP 4
-45.\fB WCHAN \*(Em Sleeping in Function \fR
+46.\fB WCHAN \*(Em Sleeping in Function \fR
This field will show the name of the kernel function in which the task
is currently sleeping.
Running tasks will display a dash (`\-') in this column.
.TP 4
-46.\fB nDRT \*(Em Dirty Pages Count \fR
+47.\fB nDRT \*(Em Dirty Pages Count \fR
The number of pages that have been modified since they were last
written to \*(AS.
Dirty pages must be written to \*(AS before the corresponding physical
This field was deprecated with linux 2.6 and is always zero.
.TP 4
-47.\fB nMaj \*(Em Major Page Fault Count \fR
+48.\fB nMaj \*(Em Major Page Fault Count \fR
The number of\fB major\fR page faults that have occurred for a task.
A page fault occurs when a process attempts to read from or write to a
virtual page that is not currently present in its address space.
page available.
.TP 4
-48.\fB nMin \*(Em Minor Page Fault count \fR
+49.\fB nMin \*(Em Minor Page Fault count \fR
The number of\fB minor\fR page faults that have occurred for a task.
A page fault occurs when a process attempts to read from or write to a
virtual page that is not currently present in its address space.
page available.
.TP 4
-49.\fB nTH \*(Em Number of Threads \fR
+50.\fB nTH \*(Em Number of Threads \fR
The number of threads associated with a process.
.TP 4
-50.\fB nsIPC \*(Em IPC namespace \fR
+51.\fB nsIPC \*(Em IPC namespace \fR
The Inode of the namespace used to isolate interprocess communication (IPC)
resources such as System V IPC objects and POSIX message queues.
.TP 4
-51.\fB nsMNT \*(Em MNT namespace \fR
+52.\fB nsMNT \*(Em MNT namespace \fR
The Inode of the namespace used to isolate filesystem mount points thus
offering different views of the filesystem hierarchy.
.TP 4
-52.\fB nsNET \*(Em NET namespace \fR
+53.\fB nsNET \*(Em NET namespace \fR
The Inode of the namespace used to isolate resources such as network devices,
IP addresses, IP routing, port numbers, etc.
.TP 4
-53.\fB nsPID \*(Em PID namespace \fR
+54.\fB nsPID \*(Em PID namespace \fR
The Inode of the namespace used to isolate process ID numbers
meaning they need not remain unique.
Thus, each such namespace could have its own `init/systemd' (PID #1) to
manage various initialization tasks and reap orphaned child processes.
.TP 4
-54.\fB nsUSER \*(Em USER namespace \fR
+55.\fB nsUSER \*(Em USER namespace \fR
The Inode of the namespace used to isolate the user and group ID numbers.
Thus, a process could have a normal unprivileged user ID outside a user
namespace while having a user ID of 0, with full root privileges, inside
that namespace.
.TP 4
-55.\fB nsUTS \*(Em UTS namespace \fR
+56.\fB nsUTS \*(Em UTS namespace \fR
The Inode of the namespace used to isolate hostname and NIS domain name.
UTS simply means "UNIX Time-sharing System".
.TP 4
-56.\fB vMj \*(Em Major Page Fault Count Delta\fR
+57.\fB vMj \*(Em Major Page Fault Count Delta\fR
The number of\fB major\fR page faults that have occurred since the
last update (see nMaj).
.TP 4
-57.\fB vMn \*(Em Minor Page Fault Count Delta\fR
+58.\fB vMn \*(Em Minor Page Fault Count Delta\fR
The number of\fB minor\fR page faults that have occurred since the
last update (see nMin).
#include <ctype.h>
#include <curses.h>
-#ifndef NUMA_DISABLE
-#include <dlfcn.h>
-#endif
#include <errno.h>
#include <fcntl.h>
#include <float.h>
#include "../include/nls.h"
#include "../proc/devname.h"
+#include "../proc/numa.h"
#include "../proc/procps.h"
#include "../proc/readproc.h"
#include "../proc/sig.h"
static char Scaled_sfxtab[] = { 'k', 'm', 'g', 't', 'p', 'e', 0 };
#endif
- /* Support for NUMA Node display, node expansion/targeting and
- run-time dynamic linking with libnuma.so treated as a plugin */
+ /* Support for NUMA Node display and node expansion/targeting */
#ifndef OFF_STDERROR
static int Stderr_save = -1;
#endif
static int Numa_node_tot;
static int Numa_node_sel = -1;
-#ifndef NUMA_DISABLE
-static void *Libnuma_handle;
-#if defined(PRETEND_NUMA) || defined(PRETEND8CPUS)
-static int Numa_max_node(void) { return 3; }
-#ifndef OFF_NUMASKIP
-static int Numa_node_of_cpu(int num) { return (1 == (num % 4)) ? 0 : (num % 4); }
-#else
-static int Numa_node_of_cpu(int num) { return (num % 4); }
-#endif
-#else
-static int (*Numa_max_node)(void);
-static int (*Numa_node_of_cpu)(int num);
-#endif
-#endif
/* Support for Graphing of the View_STATES ('t') and View_MEMORY ('m')
commands -- which are now both 4-way toggles */
SCB_STRS(GRP, egroup)
SCB_STRS(LXC, lxcname)
SCB_NUMx(NCE, nice)
+static int SCB_NAME(NMA) (const proc_t **P, const proc_t **Q) {
+ /* this is a terrible cost to pay for sorting on numa nodes, but it's
+ necessary if we're to avoid ABI breakage via changes to the proc_t */
+ int p = numa_node_of_cpu((*P)->processor);
+ int q = numa_node_of_cpu((*Q)->processor);
+ return Frame_srtflg * ( q - p );
+}
SCB_NUM1(NS1, ns[IPCNS])
SCB_NUM1(NS2, ns[MNTNS])
SCB_NUM1(NS3, ns[NETNS])
#endif // end: ATEOJ_RPTHSH
#endif // end: OFF_HST_HASH
-#ifndef NUMA_DISABLE
- /* note: we'll skip a dlcose() to avoid the following libnuma memory
- * leak which is triggered after a call to numa_node_of_cpu():
- * ==1234== LEAK SUMMARY:
- * ==1234== definitely lost: 512 bytes in 1 blocks
- * ==1234== indirectly lost: 48 bytes in 2 blocks
- * ==1234== ...
- * [ thanks very much libnuma, for all the pain you've caused ]
- */
-// if (Libnuma_handle)
-// dlclose(Libnuma_handle);
-#endif
+ numa_uninit();
if (str) {
fputs(str, stderr);
exit(EXIT_FAILURE);
{ 6, SK_Kb, A_right, SF(RZF), L_status },
{ 6, SK_Kb, A_right, SF(RZL), L_status },
{ 6, SK_Kb, A_right, SF(RZS), L_status },
- { -1, -1, A_left, SF(CGN), L_CGROUP }
+ { -1, -1, A_left, SF(CGN), L_CGROUP },
+ { 0, -1, A_right, SF(NMA), L_stat },
#undef SF
#undef A_left
#undef A_right
if (5 < digits) error_exit(N_txt(FAIL_widecpu_txt));
Fieldstab[EU_CPN].width = digits;
}
+ Fieldstab[EU_NMA].width = 2;
+ if (2 < (digits = (unsigned)snprintf(buf, sizeof(buf), "%u", (unsigned)Numa_node_tot))) {
+ Fieldstab[EU_NMA].width = digits;
+ }
#ifdef BOOST_PERCNT
Cpu_pmax = 99.9;
static char *buf;
CPU_t *sum_ptr; // avoid gcc subscript bloat
int i, num, tot_read;
-#ifndef NUMA_DISABLE
int node;
-#endif
char *bp;
/*** hotplug_acclimated ***/
((sum_ptr->cur.tot - sum_ptr->sav.tot) / smp_num_cpus) / (100 / TICS_EDGE);
#endif
-#ifndef NUMA_DISABLE
// forget all of the prior node statistics (maybe)
- if (CHKw(Curwin, View_CPUNOD))
+ if (CHKw(Curwin, View_CPUNOD) && Numa_node_tot)
memset(sum_ptr + 1, 0, Numa_node_tot * sizeof(CPU_t));
-#endif
// now value each separate cpu's tics...
for (i = 0; i < sumSLOT; i++) {
#ifdef PRETEND8CPUS
cpu_ptr->id = i;
#endif
-#ifndef NUMA_DISABLE
/* henceforth, with just a little more arithmetic we can avoid
maintaining *any* node stats unless they're actually needed */
if (CHKw(Curwin, View_CPUNOD)
&& Numa_node_tot
- && -1 < (node = Numa_node_of_cpu(cpu_ptr->id))) {
+ && -1 < (node = numa_node_of_cpu(cpu_ptr->id))) {
// use our own pointer to avoid gcc subscript bloat
CPU_t *nod_ptr = sum_ptr + 1 + node;
nod_ptr->cur.u += cpu_ptr->cur.u; nod_ptr->sav.u += cpu_ptr->sav.u;
nod_ptr->id = -1;
#endif
}
-#endif
} // end: for each cpu
Cpu_faux_tot = i; // tolerate cpus taken offline
#ifndef PRETEND8CPUS
cpuinfo();
Cpu_faux_tot = smp_num_cpus;
-#ifndef NUMA_DISABLE
- if (Libnuma_handle)
- Numa_node_tot = Numa_max_node() + 1;
-#endif
#endif
+ Numa_node_tot = numa_max_node() + 1;
sav_secs = cur_secs;
}
} // end: sysinfo_refresh
memcpy(HHash_two, HHash_nul, sizeof(HHash_nul));
#endif
-#ifndef NUMA_DISABLE
-#if defined(PRETEND_NUMA) || defined(PRETEND8CPUS)
- Numa_node_tot = Numa_max_node() + 1;
-#else
- // we'll try for the most recent version, then a version we know works...
- if ((Libnuma_handle = dlopen("libnuma.so", RTLD_LAZY))
- || (Libnuma_handle = dlopen("libnuma.so.1", RTLD_LAZY))) {
- Numa_max_node = dlsym(Libnuma_handle, "numa_max_node");
- Numa_node_of_cpu = dlsym(Libnuma_handle, "numa_node_of_cpu");
- if (Numa_max_node && Numa_node_of_cpu)
- Numa_node_tot = Numa_max_node() + 1;
- else {
- // this dlclose is safe - we've yet to call numa_node_of_cpu
- // ( there's one other dlclose which has now been disabled )
- dlclose(Libnuma_handle);
- Libnuma_handle = NULL;
- }
- }
-#endif
-#endif
+ numa_init();
+ Numa_node_tot = numa_max_node() + 1;
#ifndef SIGRTMAX // not available on hurd, maybe others too
#define SIGRTMAX 32
cpus_refresh();
-#ifndef NUMA_DISABLE
if (!Numa_node_tot) goto numa_nope;
if (CHKw(w, View_CPUNOD)) {
}
} else
numa_nope:
-#endif
if (CHKw(w, View_CPUSUM)) {
// display just the 1st /proc/stat line
summary_hlp(&Cpu_tics[Cpu_faux_tot], N_txt(WORD_allcpus_txt));
case EU_NCE:
cp = make_num(p->nice, W, Jn, AUTOX_NO, 1);
break;
+ case EU_NMA:
+ cp = make_num(numa_node_of_cpu(p->processor), W, Jn, AUTOX_NO, 0);
+ break;
case EU_NS1: // IPCNS
case EU_NS2: // MNTNS
case EU_NS3: // NETNS
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