diff options
Diffstat (limited to 'linux/LinuxProcess.c')
| -rw-r--r-- | linux/LinuxProcess.c | 200 |
1 files changed, 117 insertions, 83 deletions
diff --git a/linux/LinuxProcess.c b/linux/LinuxProcess.c index 381b7cf..dc4f259 100644 --- a/linux/LinuxProcess.c +++ b/linux/LinuxProcess.c @@ -6,9 +6,13 @@ Released under the GNU GPLv2+, see the COPYING file in the source distribution for its full text. */ +#include "config.h" // IWYU pragma: keep + #include "linux/LinuxProcess.h" +#include <assert.h> #include <math.h> +#include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <syscall.h> @@ -19,14 +23,14 @@ in the source distribution for its full text. #include "Process.h" #include "ProvideCurses.h" #include "RichString.h" +#include "RowField.h" +#include "Scheduling.h" +#include "Settings.h" #include "XUtils.h" #include "linux/IOPriority.h" +#include "linux/LinuxMachine.h" -/* semi-global */ -int pageSize; -int pageSizeKB; - const ProcessFieldData Process_fields[LAST_PROCESSFIELD] = { [0] = { .name = "", .title = NULL, .description = NULL, .flags = 0, }, [PID] = { .name = "PID", .title = "PID", .description = "Process/thread ID", .flags = 0, .pidColumn = true, }, @@ -53,6 +57,7 @@ const ProcessFieldData Process_fields[LAST_PROCESSFIELD] = { [M_VIRT] = { .name = "M_VIRT", .title = " VIRT ", .description = "Total program size in virtual memory", .flags = 0, .defaultSortDesc = true, }, [M_RESIDENT] = { .name = "M_RESIDENT", .title = " RES ", .description = "Resident set size, size of the text and data sections, plus stack usage", .flags = 0, .defaultSortDesc = true, }, [M_SHARE] = { .name = "M_SHARE", .title = " SHR ", .description = "Size of the process's shared pages", .flags = 0, .defaultSortDesc = true, }, + [M_PRIV] = { .name = "M_PRIV", .title = " PRIV ", .description = "The private memory size of the process - resident set size minus shared memory", .flags = 0, .defaultSortDesc = true, }, [M_TRS] = { .name = "M_TRS", .title = " CODE ", .description = "Size of the .text segment of the process (CODE)", .flags = 0, .defaultSortDesc = true, }, [M_DRS] = { .name = "M_DRS", .title = " DATA ", .description = "Size of the .data segment plus stack usage of the process (DATA)", .flags = 0, .defaultSortDesc = true, }, [M_LRS] = { .name = "M_LRS", .title = " LIB ", .description = "The library size of the process (calculated from memory maps)", .flags = PROCESS_FLAG_LINUX_LRS_FIX, .defaultSortDesc = true, }, @@ -78,11 +83,12 @@ const ProcessFieldData Process_fields[LAST_PROCESSFIELD] = { [RBYTES] = { .name = "RBYTES", .title = " IO_R ", .description = "Bytes of read(2) I/O for the process", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, [WBYTES] = { .name = "WBYTES", .title = " IO_W ", .description = "Bytes of write(2) I/O for the process", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, [CNCLWB] = { .name = "CNCLWB", .title = " IO_C ", .description = "Bytes of cancelled write(2) I/O", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, - [IO_READ_RATE] = { .name = "IO_READ_RATE", .title = " DISK READ ", .description = "The I/O rate of read(2) in bytes per second for the process", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, + [IO_READ_RATE] = { .name = "IO_READ_RATE", .title = " DISK READ ", .description = "The I/O rate of read(2) in bytes per second for the process", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, [IO_WRITE_RATE] = { .name = "IO_WRITE_RATE", .title = " DISK WRITE ", .description = "The I/O rate of write(2) in bytes per second for the process", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, [IO_RATE] = { .name = "IO_RATE", .title = " DISK R/W ", .description = "Total I/O rate in bytes per second", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, [CGROUP] = { .name = "CGROUP", .title = "CGROUP (raw)", .description = "Which cgroup the process is in", .flags = PROCESS_FLAG_LINUX_CGROUP, .autoWidth = true, }, [CCGROUP] = { .name = "CCGROUP", .title = "CGROUP (compressed)", .description = "Which cgroup the process is in (condensed to essentials)", .flags = PROCESS_FLAG_LINUX_CGROUP, .autoWidth = true, }, + [CONTAINER] = { .name = "CONTAINER", .title = "CONTAINER", .description = "Name of the container the process is in (guessed by heuristics)", .flags = PROCESS_FLAG_LINUX_CGROUP, .autoWidth = true, }, [OOM] = { .name = "OOM", .title = " OOM ", .description = "OOM (Out-of-Memory) killer score", .flags = PROCESS_FLAG_LINUX_OOM, .defaultSortDesc = true, }, [IO_PRIORITY] = { .name = "IO_PRIORITY", .title = "IO ", .description = "I/O priority", .flags = PROCESS_FLAG_LINUX_IOPRIO, }, #ifdef HAVE_DELAYACCT @@ -100,18 +106,22 @@ const ProcessFieldData Process_fields[LAST_PROCESSFIELD] = { [CWD] = { .name = "CWD", .title = "CWD ", .description = "The current working directory of the process", .flags = PROCESS_FLAG_CWD, }, [AUTOGROUP_ID] = { .name = "AUTOGROUP_ID", .title = "AGRP", .description = "The autogroup identifier of the process", .flags = PROCESS_FLAG_LINUX_AUTOGROUP, }, [AUTOGROUP_NICE] = { .name = "AUTOGROUP_NICE", .title = " ANI", .description = "Nice value (the higher the value, the more other processes take priority) associated with the process autogroup", .flags = PROCESS_FLAG_LINUX_AUTOGROUP, }, +#ifdef SCHEDULER_SUPPORT + [SCHEDULERPOLICY] = { .name = "SCHEDULERPOLICY", .title = "SCHED ", .description = "Current scheduling policy of the process", .flags = PROCESS_FLAG_SCHEDPOL, }, +#endif }; -Process* LinuxProcess_new(const Settings* settings) { +Process* LinuxProcess_new(const Machine* host) { LinuxProcess* this = xCalloc(1, sizeof(LinuxProcess)); Object_setClass(this, Class(LinuxProcess)); - Process_init(&this->super, settings); + Process_init(&this->super, host); return &this->super; } void Process_delete(Object* cast) { LinuxProcess* this = (LinuxProcess*) cast; Process_done((Process*)cast); + free(this->container_short); free(this->cgroup_short); free(this->cgroup); #ifdef HAVE_OPENVZ @@ -142,22 +152,29 @@ static int LinuxProcess_effectiveIOPriority(const LinuxProcess* this) { #define SYS_ioprio_set __NR_ioprio_set #endif -IOPriority LinuxProcess_updateIOPriority(LinuxProcess* this) { +IOPriority LinuxProcess_updateIOPriority(Process* p) { IOPriority ioprio = 0; // Other OSes masquerading as Linux (NetBSD?) don't have this syscall #ifdef SYS_ioprio_get - ioprio = syscall(SYS_ioprio_get, IOPRIO_WHO_PROCESS, this->super.pid); + ioprio = syscall(SYS_ioprio_get, IOPRIO_WHO_PROCESS, Process_getPid(p)); #endif + LinuxProcess* this = (LinuxProcess*) p; this->ioPriority = ioprio; return ioprio; } -bool LinuxProcess_setIOPriority(Process* this, Arg ioprio) { +static bool LinuxProcess_setIOPriority(Process* p, Arg ioprio) { // Other OSes masquerading as Linux (NetBSD?) don't have this syscall #ifdef SYS_ioprio_set - syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, this->pid, ioprio.i); + syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, Process_getPid(p), ioprio.i); #endif - return (LinuxProcess_updateIOPriority((LinuxProcess*)this) == ioprio.i); + return LinuxProcess_updateIOPriority(p) == ioprio.i; +} + +bool LinuxProcess_rowSetIOPriority(Row* super, Arg ioprio) { + Process* p = (Process*) super; + assert(Object_isA((const Object*) p, (const ObjectClass*) &Process_class)); + return LinuxProcess_setIOPriority(p, ioprio); } bool LinuxProcess_isAutogroupEnabled(void) { @@ -167,9 +184,10 @@ bool LinuxProcess_isAutogroupEnabled(void) { return buf[0] == '1'; } -bool LinuxProcess_changeAutogroupPriorityBy(Process* this, Arg delta) { +static bool LinuxProcess_changeAutogroupPriorityBy(Process* p, Arg delta) { char buffer[256]; - xSnprintf(buffer, sizeof(buffer), PROCDIR "/%d/autogroup", this->pid); + pid_t pid = Process_getPid(p); + xSnprintf(buffer, sizeof(buffer), PROCDIR "/%d/autogroup", pid); FILE* file = fopen(buffer, "r+"); if (!file) @@ -178,69 +196,79 @@ bool LinuxProcess_changeAutogroupPriorityBy(Process* this, Arg delta) { long int identity; int nice; int ok = fscanf(file, "/autogroup-%ld nice %d", &identity, &nice); - bool success; - if (ok == 2) { - rewind(file); + bool success = false; + if (ok == 2 && fseek(file, 0L, SEEK_SET) == 0) { xSnprintf(buffer, sizeof(buffer), "%d", nice + delta.i); success = fputs(buffer, file) > 0; - } else { - success = false; } fclose(file); return success; } -static void LinuxProcess_writeField(const Process* this, RichString* str, ProcessField field) { - const LinuxProcess* lp = (const LinuxProcess*) this; - bool coloring = this->settings->highlightMegabytes; +bool LinuxProcess_rowChangeAutogroupPriorityBy(Row* super, Arg delta) { + Process* p = (Process*) super; + assert(Object_isA((const Object*) p, (const ObjectClass*) &Process_class)); + return LinuxProcess_changeAutogroupPriorityBy(p, delta); +} + +static double LinuxProcess_totalIORate(const LinuxProcess* lp) { + double totalRate = NAN; + if (isNonnegative(lp->io_rate_read_bps)) { + totalRate = lp->io_rate_read_bps; + if (isNonnegative(lp->io_rate_write_bps)) { + totalRate += lp->io_rate_write_bps; + } + } else if (isNonnegative(lp->io_rate_write_bps)) { + totalRate = lp->io_rate_write_bps; + } + return totalRate; +} + +static void LinuxProcess_rowWriteField(const Row* super, RichString* str, ProcessField field) { + const Process* this = (const Process*) super; + const LinuxProcess* lp = (const LinuxProcess*) super; + const Machine* host = (const Machine*) super->host; + const LinuxMachine* lhost = (const LinuxMachine*) super->host; + + bool coloring = host->settings->highlightMegabytes; char buffer[256]; buffer[255] = '\0'; int attr = CRT_colors[DEFAULT_COLOR]; size_t n = sizeof(buffer) - 1; + switch (field) { - case CMINFLT: Process_printCount(str, lp->cminflt, coloring); return; - case CMAJFLT: Process_printCount(str, lp->cmajflt, coloring); return; - case M_DRS: Process_printBytes(str, lp->m_drs * pageSize, coloring); return; + case CMINFLT: Row_printCount(str, lp->cminflt, coloring); return; + case CMAJFLT: Row_printCount(str, lp->cmajflt, coloring); return; + case M_DRS: Row_printBytes(str, lp->m_drs * lhost->pageSize, coloring); return; case M_LRS: if (lp->m_lrs) { - Process_printBytes(str, lp->m_lrs * pageSize, coloring); + Row_printBytes(str, lp->m_lrs * lhost->pageSize, coloring); return; } attr = CRT_colors[PROCESS_SHADOW]; xSnprintf(buffer, n, " N/A "); break; - case M_TRS: Process_printBytes(str, lp->m_trs * pageSize, coloring); return; - case M_SHARE: Process_printBytes(str, lp->m_share * pageSize, coloring); return; - case M_PSS: Process_printKBytes(str, lp->m_pss, coloring); return; - case M_SWAP: Process_printKBytes(str, lp->m_swap, coloring); return; - case M_PSSWP: Process_printKBytes(str, lp->m_psswp, coloring); return; - case UTIME: Process_printTime(str, lp->utime, coloring); return; - case STIME: Process_printTime(str, lp->stime, coloring); return; - case CUTIME: Process_printTime(str, lp->cutime, coloring); return; - case CSTIME: Process_printTime(str, lp->cstime, coloring); return; - case RCHAR: Process_printBytes(str, lp->io_rchar, coloring); return; - case WCHAR: Process_printBytes(str, lp->io_wchar, coloring); return; - case SYSCR: Process_printCount(str, lp->io_syscr, coloring); return; - case SYSCW: Process_printCount(str, lp->io_syscw, coloring); return; - case RBYTES: Process_printBytes(str, lp->io_read_bytes, coloring); return; - case WBYTES: Process_printBytes(str, lp->io_write_bytes, coloring); return; - case CNCLWB: Process_printBytes(str, lp->io_cancelled_write_bytes, coloring); return; - case IO_READ_RATE: Process_printRate(str, lp->io_rate_read_bps, coloring); return; - case IO_WRITE_RATE: Process_printRate(str, lp->io_rate_write_bps, coloring); return; - case IO_RATE: { - double totalRate; - if (!isnan(lp->io_rate_read_bps) && !isnan(lp->io_rate_write_bps)) - totalRate = lp->io_rate_read_bps + lp->io_rate_write_bps; - else if (!isnan(lp->io_rate_read_bps)) - totalRate = lp->io_rate_read_bps; - else if (!isnan(lp->io_rate_write_bps)) - totalRate = lp->io_rate_write_bps; - else - totalRate = NAN; - Process_printRate(str, totalRate, coloring); - return; - } + case M_TRS: Row_printBytes(str, lp->m_trs * lhost->pageSize, coloring); return; + case M_SHARE: Row_printBytes(str, lp->m_share * lhost->pageSize, coloring); return; + case M_PRIV: Row_printKBytes(str, lp->m_priv, coloring); return; + case M_PSS: Row_printKBytes(str, lp->m_pss, coloring); return; + case M_SWAP: Row_printKBytes(str, lp->m_swap, coloring); return; + case M_PSSWP: Row_printKBytes(str, lp->m_psswp, coloring); return; + case UTIME: Row_printTime(str, lp->utime, coloring); return; + case STIME: Row_printTime(str, lp->stime, coloring); return; + case CUTIME: Row_printTime(str, lp->cutime, coloring); return; + case CSTIME: Row_printTime(str, lp->cstime, coloring); return; + case RCHAR: Row_printBytes(str, lp->io_rchar, coloring); return; + case WCHAR: Row_printBytes(str, lp->io_wchar, coloring); return; + case SYSCR: Row_printCount(str, lp->io_syscr, coloring); return; + case SYSCW: Row_printCount(str, lp->io_syscw, coloring); return; + case RBYTES: Row_printBytes(str, lp->io_read_bytes, coloring); return; + case WBYTES: Row_printBytes(str, lp->io_write_bytes, coloring); return; + case CNCLWB: Row_printBytes(str, lp->io_cancelled_write_bytes, coloring); return; + case IO_READ_RATE: Row_printRate(str, lp->io_rate_read_bps, coloring); return; + case IO_WRITE_RATE: Row_printRate(str, lp->io_rate_write_bps, coloring); return; + case IO_RATE: Row_printRate(str, LinuxProcess_totalIORate(lp), coloring); return; #ifdef HAVE_OPENVZ case CTID: xSnprintf(buffer, n, "%-8s ", lp->ctid ? lp->ctid : ""); break; case VPID: xSnprintf(buffer, n, "%*d ", Process_pidDigits, lp->vpid); break; @@ -248,8 +276,9 @@ static void LinuxProcess_writeField(const Process* this, RichString* str, Proces #ifdef HAVE_VSERVER case VXID: xSnprintf(buffer, n, "%5u ", lp->vxid); break; #endif - case CGROUP: xSnprintf(buffer, n, "%-*.*s ", Process_fieldWidths[CGROUP], Process_fieldWidths[CGROUP], lp->cgroup ? lp->cgroup : "N/A"); break; - case CCGROUP: xSnprintf(buffer, n, "%-*.*s ", Process_fieldWidths[CCGROUP], Process_fieldWidths[CCGROUP], lp->cgroup_short ? lp->cgroup_short : (lp->cgroup ? lp->cgroup : "N/A")); break; + case CGROUP: xSnprintf(buffer, n, "%-*.*s ", Row_fieldWidths[CGROUP], Row_fieldWidths[CGROUP], lp->cgroup ? lp->cgroup : "N/A"); break; + case CCGROUP: xSnprintf(buffer, n, "%-*.*s ", Row_fieldWidths[CCGROUP], Row_fieldWidths[CCGROUP], lp->cgroup_short ? lp->cgroup_short : (lp->cgroup ? lp->cgroup : "N/A")); break; + case CONTAINER: xSnprintf(buffer, n, "%-*.*s ", Row_fieldWidths[CONTAINER], Row_fieldWidths[CONTAINER], lp->container_short ? lp->container_short : "N/A"); break; case OOM: xSnprintf(buffer, n, "%4u ", lp->oom); break; case IO_PRIORITY: { int klass = IOPriority_class(lp->ioPriority); @@ -270,9 +299,9 @@ static void LinuxProcess_writeField(const Process* this, RichString* str, Proces break; } #ifdef HAVE_DELAYACCT - case PERCENT_CPU_DELAY: Process_printPercentage(lp->cpu_delay_percent, buffer, n, 5, &attr); break; - case PERCENT_IO_DELAY: Process_printPercentage(lp->blkio_delay_percent, buffer, n, 5, &attr); break; - case PERCENT_SWAP_DELAY: Process_printPercentage(lp->swapin_delay_percent, buffer, n, 5, &attr); break; + case PERCENT_CPU_DELAY: Row_printPercentage(lp->cpu_delay_percent, buffer, n, 5, &attr); break; + case PERCENT_IO_DELAY: Row_printPercentage(lp->blkio_delay_percent, buffer, n, 5, &attr); break; + case PERCENT_SWAP_DELAY: Row_printPercentage(lp->swapin_delay_percent, buffer, n, 5, &attr); break; #endif case CTXT: if (lp->ctxt_diff > 1000) { @@ -280,7 +309,7 @@ static void LinuxProcess_writeField(const Process* this, RichString* str, Proces } xSnprintf(buffer, n, "%5lu ", lp->ctxt_diff); break; - case SECATTR: snprintf(buffer, n, "%-*.*s ", Process_fieldWidths[SECATTR], Process_fieldWidths[SECATTR], lp->secattr ? lp->secattr : "N/A"); break; + case SECATTR: snprintf(buffer, n, "%-*.*s ", Row_fieldWidths[SECATTR], Row_fieldWidths[SECATTR], lp->secattr ? lp->secattr : "N/A"); break; case AUTOGROUP_ID: if (lp->autogroup_id != -1) { xSnprintf(buffer, n, "%4ld ", lp->autogroup_id); @@ -293,8 +322,8 @@ static void LinuxProcess_writeField(const Process* this, RichString* str, Proces if (lp->autogroup_id != -1) { xSnprintf(buffer, n, "%3d ", lp->autogroup_nice); attr = lp->autogroup_nice < 0 ? CRT_colors[PROCESS_HIGH_PRIORITY] - : lp->autogroup_nice > 0 ? CRT_colors[PROCESS_LOW_PRIORITY] - : CRT_colors[PROCESS_SHADOW]; + : lp->autogroup_nice > 0 ? CRT_colors[PROCESS_LOW_PRIORITY] + : CRT_colors[PROCESS_SHADOW]; } else { attr = CRT_colors[PROCESS_SHADOW]; xSnprintf(buffer, n, "N/A "); @@ -304,14 +333,8 @@ static void LinuxProcess_writeField(const Process* this, RichString* str, Proces Process_writeField(this, str, field); return; } - RichString_appendAscii(str, attr, buffer); -} -static double adjustNaN(double num) { - if (isnan(num)) - return -0.0005; - - return num; + RichString_appendAscii(str, attr, buffer); } static int LinuxProcess_compareByKey(const Process* v1, const Process* v2, ProcessField key) { @@ -327,6 +350,8 @@ static int LinuxProcess_compareByKey(const Process* v1, const Process* v2, Proce return SPACESHIP_NUMBER(p1->m_trs, p2->m_trs); case M_SHARE: return SPACESHIP_NUMBER(p1->m_share, p2->m_share); + case M_PRIV: + return SPACESHIP_NUMBER(p1->m_priv, p2->m_priv); case M_PSS: return SPACESHIP_NUMBER(p1->m_pss, p2->m_pss); case M_SWAP: @@ -356,11 +381,11 @@ static int LinuxProcess_compareByKey(const Process* v1, const Process* v2, Proce case CNCLWB: return SPACESHIP_NUMBER(p1->io_cancelled_write_bytes, p2->io_cancelled_write_bytes); case IO_READ_RATE: - return SPACESHIP_NUMBER(adjustNaN(p1->io_rate_read_bps), adjustNaN(p2->io_rate_read_bps)); + return compareRealNumbers(p1->io_rate_read_bps, p2->io_rate_read_bps); case IO_WRITE_RATE: - return SPACESHIP_NUMBER(adjustNaN(p1->io_rate_write_bps), adjustNaN(p2->io_rate_write_bps)); + return compareRealNumbers(p1->io_rate_write_bps, p2->io_rate_write_bps); case IO_RATE: - return SPACESHIP_NUMBER(adjustNaN(p1->io_rate_read_bps) + adjustNaN(p1->io_rate_write_bps), adjustNaN(p2->io_rate_read_bps) + adjustNaN(p2->io_rate_write_bps)); + return compareRealNumbers(LinuxProcess_totalIORate(p1), LinuxProcess_totalIORate(p2)); #ifdef HAVE_OPENVZ case CTID: return SPACESHIP_NULLSTR(p1->ctid, p2->ctid); @@ -375,15 +400,17 @@ static int LinuxProcess_compareByKey(const Process* v1, const Process* v2, Proce return SPACESHIP_NULLSTR(p1->cgroup, p2->cgroup); case CCGROUP: return SPACESHIP_NULLSTR(p1->cgroup_short, p2->cgroup_short); + case CONTAINER: + return SPACESHIP_NULLSTR(p1->container_short, p2->container_short); case OOM: return SPACESHIP_NUMBER(p1->oom, p2->oom); #ifdef HAVE_DELAYACCT case PERCENT_CPU_DELAY: - return SPACESHIP_NUMBER(p1->cpu_delay_percent, p2->cpu_delay_percent); + return compareRealNumbers(p1->cpu_delay_percent, p2->cpu_delay_percent); case PERCENT_IO_DELAY: - return SPACESHIP_NUMBER(p1->blkio_delay_percent, p2->blkio_delay_percent); + return compareRealNumbers(p1->blkio_delay_percent, p2->blkio_delay_percent); case PERCENT_SWAP_DELAY: - return SPACESHIP_NUMBER(p1->swapin_delay_percent, p2->swapin_delay_percent); + return compareRealNumbers(p1->swapin_delay_percent, p2->swapin_delay_percent); #endif case IO_PRIORITY: return SPACESHIP_NUMBER(LinuxProcess_effectiveIOPriority(p1), LinuxProcess_effectiveIOPriority(p2)); @@ -402,11 +429,18 @@ static int LinuxProcess_compareByKey(const Process* v1, const Process* v2, Proce const ProcessClass LinuxProcess_class = { .super = { - .extends = Class(Process), - .display = Process_display, - .delete = Process_delete, - .compare = Process_compare + .super = { + .extends = Class(Process), + .display = Row_display, + .delete = Process_delete, + .compare = Process_compare + }, + .isHighlighted = Process_rowIsHighlighted, + .isVisible = Process_rowIsVisible, + .matchesFilter = Process_rowMatchesFilter, + .compareByParent = Process_compareByParent, + .sortKeyString = Process_rowGetSortKey, + .writeField = LinuxProcess_rowWriteField }, - .writeField = LinuxProcess_writeField, .compareByKey = LinuxProcess_compareByKey }; |