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Solaris: Implement LWP enumeration (#768) 

Squashed the following commits:

* Solaris: Get LWP enumeration working
* Solaris: Make showing and hiding of kernel threads behave
* Solaris: remove usage of lwpstatus that is no longer needed
* Solaris: no discrete access to parent proc structure needed
* Solaris: Restore runtime MaxPid detection after LWP changes
* Solaris: Workaround virtual PID signal issue by shadowing kill() with a macro
* Solaris: Fix unintention double-shifting of virtual PID for LWP enumeration
* Solaris: Add LWPID to default display since LWP enumeration is also default
* Solaris: use PAGE_SIZE_KB from Process.h instead of custom definition
* Solaris: stop LWP enumeration at 1023 LWPs per proc since that is all we can handle in the virtual PID
This commit is contained in:
gmbroome 2018-03-27 12:27:12 -04:00 committed by Hisham Muhammad
parent 1cf8f429a5
commit 42c3a1fcb3
6 changed files with 209 additions and 21 deletions
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5
solaris/Platform.c
View File

@ -35,8 +35,11 @@ in the source distribution for its full text.
#include "Action.h"
#include "BatteryMeter.h"
#include "SignalsPanel.h"
#include <signal.h>
#include <sys/mkdev.h>
#define kill(pid, signal) kill(pid / 1024, signal)
extern ProcessFieldData Process_fields[];
typedef struct var kvar_t;
@ -91,7 +94,7 @@ const SignalItem Platform_signals[] = {
const unsigned int Platform_numberOfSignals = sizeof(Platform_signals)/sizeof(SignalItem);
ProcessField Platform_defaultFields[] = { PID, USER, PRIORITY, NICE, M_SIZE, M_RESIDENT, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 };
ProcessField Platform_defaultFields[] = { PID, LWPID, USER, PRIORITY, NICE, M_SIZE, M_RESIDENT, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 };
MeterClass* Platform_meterTypes[] = {
&CPUMeter_class,

3
solaris/Platform.h
View File

@ -14,8 +14,11 @@ in the source distribution for its full text.
#include "Action.h"
#include "BatteryMeter.h"
#include "SignalsPanel.h"
#include <signal.h>
#include <sys/mkdev.h>
#define kill(pid, signal) kill(pid / 1024, signal)
extern ProcessFieldData Process_fields[];
typedef struct var kvar_t;

33
solaris/SolarisProcess.c
View File

@ -29,7 +29,8 @@ typedef enum SolarisProcessFields {
TASKID = 103,
POOLID = 104,
CONTID = 105,
LAST_PROCESSFIELD = 106,
LWPID = 106,
LAST_PROCESSFIELD = 107,
} SolarisProcessField;
@ -42,6 +43,10 @@ typedef struct SolarisProcess_ {
projid_t projid;
poolid_t poolid;
ctid_t contid;
bool is_lwp;
pid_t realpid;
pid_t realppid;
pid_t lwpid;
} SolarisProcess;
@ -67,7 +72,7 @@ ProcessClass SolarisProcess_class = {
ProcessFieldData Process_fields[] = {
[0] = { .name = "", .title = NULL, .description = NULL, .flags = 0, },
[PID] = { .name = "PID", .title = " PID ", .description = "Process/thread ID", .flags = 0, },
[PID] = { .name = "PID", .title = " PID ", .description = "Process/thread ID", .flags = 0, },
[COMM] = { .name = "Command", .title = "Command ", .description = "Command line", .flags = 0, },
[STATE] = { .name = "STATE", .title = "S ", .description = "Process state (S sleeping, R running, D disk, Z zombie, T traced, W paging)", .flags = 0, },
[PPID] = { .name = "PPID", .title = " PPID ", .description = "Parent process ID", .flags = 0, },
@ -96,6 +101,7 @@ ProcessFieldData Process_fields[] = {
[TASKID] = { .name = "TASKID", .title = " TSKID ", .description = "Task ID", .flags = 0, },
[POOLID] = { .name = "POOLID", .title = " POLID ", .description = "Pool ID", .flags = 0, },
[CONTID] = { .name = "CONTID", .title = " CNTID ", .description = "Contract ID", .flags = 0, },
[LWPID] = { .name = "LWPID", .title = " LWPID ", .description = "LWP ID", .flags = 0, },
[LAST_PROCESSFIELD] = { .name = "*** report bug! ***", .title = NULL, .description = NULL, .flags = 0, },
};
@ -107,6 +113,7 @@ ProcessPidColumn Process_pidColumns[] = {
{ .id = CONTID, .label = "CNTID" },
{ .id = PID, .label = "PID" },
{ .id = PPID, .label = "PPID" },
{ .id = LWPID, .label = "LWPID" },
{ .id = TPGID, .label = "TPGID" },
{ .id = TGID, .label = "TGID" },
{ .id = PGRP, .label = "PGRP" },
@ -148,6 +155,15 @@ void SolarisProcess_writeField(Process* this, RichString* str, ProcessField fiel
}
break;
}
case PID: xSnprintf(buffer, n, Process_pidFormat, sp->realpid); break;
case PPID: xSnprintf(buffer, n, Process_pidFormat, sp->realppid); break;
case LWPID:{
if (sp->lwpid <= 0) {
xSnprintf(buffer, n, " - ");
} else {
xSnprintf(buffer, n, Process_pidFormat, sp->lwpid); break;
}
}; break;
default:
Process_writeField(this, str, field);
return;
@ -178,6 +194,12 @@ long SolarisProcess_compare(const void* v1, const void* v2) {
return (p1->contid - p2->contid);
case ZONE:
return strcmp(p1->zname ? p1->zname : "global", p2->zname ? p2->zname : "global");
case PID:
return (p1->realpid - p2->realpid);
case PPID:
return (p1->realppid - p2->realppid);
case LWPID:
return (p1->lwpid - p2->lwpid);
default:
return Process_compare(v1, v2);
}
@ -186,8 +208,11 @@ long SolarisProcess_compare(const void* v1, const void* v2) {
bool Process_isThread(Process* this) {
SolarisProcess* fp = (SolarisProcess*) this;
if (fp->kernel == 1 )
if (fp->kernel == 1 ) {
return 1;
else
} else if (fp->is_lwp) {
return 1;
} else {
return 0;
}
}

7
solaris/SolarisProcess.h
View File

@ -21,7 +21,8 @@ typedef enum SolarisProcessFields {
TASKID = 103,
POOLID = 104,
CONTID = 105,
LAST_PROCESSFIELD = 106,
LWPID = 106,
LAST_PROCESSFIELD = 107,
} SolarisProcessField;
@ -34,6 +35,10 @@ typedef struct SolarisProcess_ {
projid_t projid;
poolid_t poolid;
ctid_t contid;
bool is_lwp;
pid_t realpid;
pid_t realppid;
pid_t lwpid;
} SolarisProcess;

180
solaris/SolarisProcessList.c
View File

@ -243,6 +243,144 @@ void ProcessList_delete(ProcessList* this) {
free(this);
}
void ProcessList_enumerateLWPs(Process* proc, char* name, ProcessList* pl, struct timeval tv) {
Process *lwp;
SolarisProcess *slwp;
SolarisProcess *sproc = (SolarisProcess*) proc;
Settings* settings = pl->settings;
bool hideKernelThreads = settings->hideKernelThreads;
bool hideUserlandThreads = settings->hideUserlandThreads;
char lwpdir[MAX_NAME+1];
DIR* dir = NULL;
FILE* fp = NULL;
pid_t lwpid;
bool preExisting = false;
char filename[MAX_NAME+1];
lwpsinfo_t _lwpsinfo;
prusage_t _lwprusage;
struct tm date;
xSnprintf(lwpdir, MAX_NAME, "%s/%s/lwp", PROCDIR, name);
struct dirent* entry;
char* lwpname;
bool haveUsage = false;
dir = opendir(lwpdir);
if (!dir) return;
while ((entry = readdir(dir)) != NULL) {
lwpname = entry->d_name;
// With 10 bits to spare, we can only list up to 1023 unique LWPs per process
if (atoi(lwpname) > 1023) break;
lwpid = proc->pid + atoi(lwpname);
lwp = ProcessList_getProcess(pl, lwpid, &preExisting, (Process_New) SolarisProcess_new);
slwp = (SolarisProcess*) lwp;
xSnprintf(filename, MAX_NAME, "%s/%s/lwp/%s/lwpsinfo", PROCDIR, name, lwpname);
fp = fopen(filename, "r");
if ( fp == NULL ) continue;
fread(&_lwpsinfo,sizeof(lwpsinfo_t),1,fp);
fclose(fp);
xSnprintf(filename, MAX_NAME, "%s/%s/lwp/%s/lwpusage", PROCDIR, name, lwpname);
fp = fopen(filename, "r");
if ( fp != NULL ) {
haveUsage = true;
fread(&_lwprusage,sizeof(prusage_t),1,fp);
fclose(fp);
}
slwp->is_lwp = TRUE;
if (!preExisting) {
lwp->basenameOffset = -1;
slwp->kernel = sproc->kernel;
// Fake values used for sorting
lwp->pid = lwpid;
lwp->ppid = proc->pid;
lwp->tgid = proc->pid;
// Corresponding real values used for display
slwp->realpid = sproc->realpid;
slwp->realppid = sproc->realpid;
slwp->lwpid = atoi(lwpname);
slwp->zoneid = sproc->zoneid;
lwp->tty_nr = proc->tty_nr;
lwp->pgrp = proc->pgrp;
lwp->percent_cpu = ((uint16_t)_lwpsinfo.pr_pctcpu/(double)32768)*(double)100.0;
// Not tracked per thread
lwp->percent_mem = (double)0.0;
lwp->st_uid = proc->st_uid;
lwp->user = UsersTable_getRef(pl->usersTable, lwp->st_uid);
lwp->nlwp = 0;
lwp->session = proc->session;
lwp->comm = xStrdup(proc->comm);
lwp->commLen = strnlen(proc->comm,PRFNSZ);
slwp->zname = sproc->zname;
if (haveUsage) {
lwp->majflt = _lwprusage.pr_majf;
lwp->minflt = _lwprusage.pr_minf;
} else {
lwp->majflt = 0;
lwp->minflt = 0;
}
lwp->m_resident = 0;
lwp->m_size = 0;
lwp->priority = _lwpsinfo.pr_pri;
lwp->nice = _lwpsinfo.pr_nice;
lwp->processor = _lwpsinfo.pr_onpro;
lwp->state = _lwpsinfo.pr_sname;
lwp->time = _lwpsinfo.pr_time.tv_sec;
slwp->taskid = sproc->taskid;
slwp->projid = sproc->projid;
slwp->poolid = sproc->poolid;
slwp->contid = sproc->contid;
lwp->starttime_ctime = _lwpsinfo.pr_start.tv_sec;
(void) localtime_r((time_t*) &lwp->starttime_ctime, &date);
strftime(lwp->starttime_show, 7, ((lwp->starttime_ctime > tv.tv_sec - 86400) ? "%R " : "%b%d "), &date);
ProcessList_add(pl, lwp);
} else {
slwp->zoneid = sproc->zoneid;
lwp->pgrp = proc->pgrp;
lwp->percent_cpu = ((uint16_t)_lwpsinfo.pr_pctcpu/(double)32768)*(double)100.0;
// Not tracked per thread
lwp->percent_mem = (double)0.0;
lwp->st_uid = proc->st_uid;
lwp->user = UsersTable_getRef(pl->usersTable, lwp->st_uid);
lwp->nlwp = 0;
lwp->session = proc->session;
lwp->comm = xStrdup(proc->comm);
lwp->commLen = strnlen(proc->comm,PRFNSZ);
slwp->zname = sproc->zname;
if (haveUsage) {
lwp->majflt = _lwprusage.pr_majf;
lwp->minflt = _lwprusage.pr_minf;
}
lwp->m_resident = 0;
lwp->m_size = 0;
lwp->priority = _lwpsinfo.pr_pri;
lwp->nice = _lwpsinfo.pr_nice;
lwp->processor = _lwpsinfo.pr_onpro;
lwp->state = _lwpsinfo.pr_sname;
lwp->time = _lwpsinfo.pr_time.tv_sec;
slwp->taskid = sproc->taskid;
slwp->projid = sproc->projid;
slwp->poolid = sproc->poolid;
slwp->contid = sproc->contid;
}
if (slwp->kernel) {
if(!hideKernelThreads) {
lwp->show = true;
} else {
lwp->show = false;
}
} else {
if(!hideUserlandThreads) {
lwp->show = true;
} else {
lwp->show = false;
}
}
lwp->updated = true;
}
closedir(dir);
}
void ProcessList_goThroughEntries(ProcessList* this) {
SolarisProcessList* spl = (SolarisProcessList*) this;
Settings* settings = this->settings;
@ -254,7 +392,6 @@ void ProcessList_goThroughEntries(ProcessList* this) {
int pid;
bool preExisting = false;
Process* proc = NULL;
Process* parent = NULL;
SolarisProcess* sproc = NULL;
psinfo_t _psinfo;
pstatus_t _pstatus;
@ -280,7 +417,6 @@ void ProcessList_goThroughEntries(ProcessList* this) {
name = entry->d_name;
pid = atoi(name);
proc = ProcessList_getProcess(this, pid, &preExisting, (Process_New) SolarisProcess_new);
proc->tgid = parent ? parent->pid : pid;
sproc = (SolarisProcess *) proc;
xSnprintf(filename, MAX_NAME, "%s/%s/psinfo", PROCDIR, name);
fp = fopen(filename, "r");
@ -298,14 +434,17 @@ void ProcessList_goThroughEntries(ProcessList* this) {
if ( fp == NULL ) continue;
fread(&_prusage,sizeof(prusage_t),1,fp);
fclose(fp);
double kb_per_page = ((double)PAGE_SIZE / (double)1024.0);
sproc->is_lwp = FALSE;
if(!preExisting) {
sproc->kernel = false;
proc->pid = _psinfo.pr_pid;
proc->ppid = _psinfo.pr_ppid;
proc->tgid = _psinfo.pr_pid;
// Fake PID values used for sorting, since Solaris LWPs lack unique PIDs
proc->pid = (_psinfo.pr_pid * 1024);
proc->ppid = (_psinfo.pr_ppid * 1024);
proc->tgid = (_psinfo.pr_ppid * 1024);
// Corresponding real values used for display
sproc->realpid = _psinfo.pr_pid;
sproc->realppid = _psinfo.pr_ppid;
sproc->lwpid = 0;
sproc->zoneid = _psinfo.pr_zoneid;
proc->tty_nr = _psinfo.pr_ttydev;
proc->pgrp = _psinfo.pr_pgid;
@ -323,8 +462,8 @@ void ProcessList_goThroughEntries(ProcessList* this) {
sproc->zname = SolarisProcessList_readZoneName(spl->kd,sproc);
proc->majflt = _prusage.pr_majf;
proc->minflt = _prusage.pr_minf;
proc->m_resident = (long)(((double)_psinfo.pr_rssize)/kb_per_page);
proc->m_size = (long)(((double)_psinfo.pr_size)/kb_per_page);
proc->m_resident = _psinfo.pr_rssize/PAGE_SIZE_KB;
proc->m_size = _psinfo.pr_size/PAGE_SIZE_KB;
proc->priority = _psinfo.pr_lwp.pr_pri;
proc->nice = _psinfo.pr_lwp.pr_nice;
proc->processor = _psinfo.pr_lwp.pr_onpro;
@ -335,11 +474,19 @@ void ProcessList_goThroughEntries(ProcessList* this) {
sproc->poolid = _psinfo.pr_poolid;
sproc->contid = _psinfo.pr_contract;
proc->starttime_ctime = _psinfo.pr_start.tv_sec;
if ((sproc->realppid <= 0) && !(sproc->realpid <= 1)) {
sproc->kernel = true;
} else {
sproc->kernel = false;
}
(void) localtime_r((time_t*) &proc->starttime_ctime, &date);
strftime(proc->starttime_show, 7, ((proc->starttime_ctime > tv.tv_sec - 86400) ? "%R " : "%b%d "), &date);
ProcessList_add(this, proc);
} else {
proc->ppid = _psinfo.pr_ppid;
proc->ppid = (_psinfo.pr_ppid * 1024);
proc->tgid = (_psinfo.pr_ppid * 1024);
sproc->realppid = _psinfo.pr_ppid;
sproc->lwpid = 0;
sproc->zoneid = _psinfo.pr_zoneid;
// See note above about these percentages
proc->percent_cpu = ((uint16_t)_psinfo.pr_pctcpu/(double)32768)*(double)100.0;
@ -353,8 +500,8 @@ void ProcessList_goThroughEntries(ProcessList* this) {
sproc->zname = SolarisProcessList_readZoneName(spl->kd,sproc);
proc->majflt = _prusage.pr_majf;
proc->minflt = _prusage.pr_minf;
proc->m_resident = (long)(((double)_psinfo.pr_rssize)/kb_per_page);
proc->m_size = (long)(((double)_psinfo.pr_size)/kb_per_page);
proc->m_resident = _psinfo.pr_rssize/PAGE_SIZE_KB;
proc->m_size = _psinfo.pr_size/PAGE_SIZE_KB;
proc->priority = _psinfo.pr_lwp.pr_pri;
proc->nice = _psinfo.pr_lwp.pr_nice;
proc->processor = _psinfo.pr_lwp.pr_onpro;
@ -365,8 +512,11 @@ void ProcessList_goThroughEntries(ProcessList* this) {
sproc->poolid = _psinfo.pr_poolid;
sproc->contid = _psinfo.pr_contract;
}
proc->show = !(hideKernelThreads && (_pstatus.pr_flags & PR_ISSYS));
if (_pstatus.pr_flags & PR_ISSYS) {
if (proc->nlwp > 1) {
ProcessList_enumerateLWPs(proc, name, this, tv);
}
proc->show = !(hideKernelThreads && sproc->kernel);
if (_pstatus.pr_flags & sproc->kernel) {
if (hideKernelThreads) {
addRunning = 0;
addTotal = 0;

2
solaris/SolarisProcessList.h
View File

@ -51,6 +51,8 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, ui
void ProcessList_delete(ProcessList* this);
void ProcessList_enumerateLWPs(Process* proc, char* name, ProcessList* pl, struct timeval tv);
void ProcessList_goThroughEntries(ProcessList* this);