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Diffstat (limited to 'pcp/PCPProcess.c')
-rw-r--r-- | pcp/PCPProcess.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/pcp/PCPProcess.c b/pcp/PCPProcess.c new file mode 100644 index 0000000..b8b87ca --- /dev/null +++ b/pcp/PCPProcess.c @@ -0,0 +1,291 @@ +/* +htop - PCPProcess.c +(C) 2014 Hisham H. Muhammad +(C) 2020-2021 htop dev team +(C) 2020-2021 Red Hat, Inc. +Released under the GNU GPLv2+, see the COPYING file +in the source distribution for its full text. +*/ + +#include "pcp/PCPProcess.h" + +#include <math.h> +#include <stdio.h> +#include <stdlib.h> + +#include "CRT.h" +#include "Macros.h" +#include "Process.h" +#include "ProvideCurses.h" +#include "RichString.h" +#include "XUtils.h" + +#include "pcp/PCPDynamicColumn.h" + + +const ProcessFieldData Process_fields[] = { + [0] = { .name = "", .title = NULL, .description = NULL, .flags = 0, }, + [PID] = { .name = "PID", .title = "PID", .description = "Process/thread ID", .flags = 0, .pidColumn = true, }, + [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, I idle)", .flags = 0, }, + [PPID] = { .name = "PPID", .title = "PPID", .description = "Parent process ID", .flags = 0, }, + [PGRP] = { .name = "PGRP", .title = "PGRP", .description = "Process group ID", .flags = 0, }, + [SESSION] = { .name = "SESSION", .title = "SID", .description = "Process's session ID", .flags = 0, }, + [TTY] = { .name = "TTY", .title = "TTY ", .description = "Controlling terminal", .flags = 0, }, + [TPGID] = { .name = "TPGID", .title = "TPGID", .description = "Process ID of the fg process group of the controlling terminal", .flags = 0, }, + [MINFLT] = { .name = "MINFLT", .title = " MINFLT ", .description = "Number of minor faults which have not required loading a memory page from disk", .flags = 0, .defaultSortDesc = true, }, + [CMINFLT] = { .name = "CMINFLT", .title = " CMINFLT ", .description = "Children processes' minor faults", .flags = 0, .defaultSortDesc = true, }, + [MAJFLT] = { .name = "MAJFLT", .title = " MAJFLT ", .description = "Number of major faults which have required loading a memory page from disk", .flags = 0, .defaultSortDesc = true, }, + [CMAJFLT] = { .name = "CMAJFLT", .title = " CMAJFLT ", .description = "Children processes' major faults", .flags = 0, .defaultSortDesc = true, }, + [UTIME] = { .name = "UTIME", .title = " UTIME+ ", .description = "User CPU time - time the process spent executing in user mode", .flags = 0, .defaultSortDesc = true, }, + [STIME] = { .name = "STIME", .title = " STIME+ ", .description = "System CPU time - time the kernel spent running system calls for this process", .flags = 0, .defaultSortDesc = true, }, + [CUTIME] = { .name = "CUTIME", .title = " CUTIME+ ", .description = "Children processes' user CPU time", .flags = 0, .defaultSortDesc = true, }, + [CSTIME] = { .name = "CSTIME", .title = " CSTIME+ ", .description = "Children processes' system CPU time", .flags = 0, .defaultSortDesc = true, }, + [PRIORITY] = { .name = "PRIORITY", .title = "PRI ", .description = "Kernel's internal priority for the process", .flags = 0, }, + [NICE] = { .name = "NICE", .title = " NI ", .description = "Nice value (the higher the value, the more it lets other processes take priority)", .flags = 0, }, + [STARTTIME] = { .name = "STARTTIME", .title = "START ", .description = "Time the process was started", .flags = 0, }, + [ELAPSED] = { .name = "ELAPSED", .title = "ELAPSED ", .description = "Time since the process was started", .flags = 0, }, + [PROCESSOR] = { .name = "PROCESSOR", .title = "CPU ", .description = "If of the CPU the process last executed on", .flags = 0, }, + [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_TRS] = { .name = "M_TRS", .title = " CODE ", .description = "Size of the text segment of the process", .flags = 0, .defaultSortDesc = true, }, + [M_DRS] = { .name = "M_DRS", .title = " DATA ", .description = "Size of the data segment plus stack usage of the process", .flags = 0, .defaultSortDesc = true, }, + [M_LRS] = { .name = "M_LRS", .title = " LIB ", .description = "The library size of the process (unused since Linux 2.6; always 0)", .flags = 0, .defaultSortDesc = true, }, + [M_DT] = { .name = "M_DT", .title = " DIRTY ", .description = "Size of the dirty pages of the process (unused since Linux 2.6; always 0)", .flags = 0, .defaultSortDesc = true, }, + [ST_UID] = { .name = "ST_UID", .title = "UID", .description = "User ID of the process owner", .flags = 0, }, + [PERCENT_CPU] = { .name = "PERCENT_CPU", .title = " CPU%", .description = "Percentage of the CPU time the process used in the last sampling", .flags = 0, .defaultSortDesc = true, .autoWidth = true, }, + [PERCENT_NORM_CPU] = { .name = "PERCENT_NORM_CPU", .title = "NCPU%", .description = "Normalized percentage of the CPU time the process used in the last sampling (normalized by cpu count)", .flags = 0, .defaultSortDesc = true, .autoWidth = true, }, + [PERCENT_MEM] = { .name = "PERCENT_MEM", .title = "MEM% ", .description = "Percentage of the memory the process is using, based on resident memory size", .flags = 0, .defaultSortDesc = true, }, + [USER] = { .name = "USER", .title = "USER ", .description = "Username of the process owner (or user ID if name cannot be determined)", .flags = 0, }, + [TIME] = { .name = "TIME", .title = " TIME+ ", .description = "Total time the process has spent in user and system time", .flags = 0, .defaultSortDesc = true, }, + [NLWP] = { .name = "NLWP", .title = "NLWP ", .description = "Number of threads in the process", .flags = 0, .defaultSortDesc = true, }, + [TGID] = { .name = "TGID", .title = "TGID", .description = "Thread group ID (i.e. process ID)", .flags = 0, }, + [RCHAR] = { .name = "RCHAR", .title = "RCHAR ", .description = "Number of bytes the process has read", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, + [WCHAR] = { .name = "WCHAR", .title = "WCHAR ", .description = "Number of bytes the process has written", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, + [SYSCR] = { .name = "SYSCR", .title = " READ_SYSC ", .description = "Number of read(2) syscalls for the process", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, + [SYSCW] = { .name = "SYSCW", .title = " WRITE_SYSC ", .description = "Number of write(2) syscalls for the process", .flags = PROCESS_FLAG_IO, .defaultSortDesc = true, }, + [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_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 ", .description = "Which cgroup the process is in", .flags = PROCESS_FLAG_LINUX_CGROUP, }, + [OOM] = { .name = "OOM", .title = " OOM ", .description = "OOM (Out-of-Memory) killer score", .flags = PROCESS_FLAG_LINUX_OOM, .defaultSortDesc = true, }, + [PERCENT_CPU_DELAY] = { .name = "PERCENT_CPU_DELAY", .title = "CPUD% ", .description = "CPU delay %", .flags = 0, .defaultSortDesc = true, }, + [PERCENT_IO_DELAY] = { .name = "PERCENT_IO_DELAY", .title = " IOD% ", .description = "Block I/O delay %", .flags = 0, .defaultSortDesc = true, }, + [PERCENT_SWAP_DELAY] = { .name = "PERCENT_SWAP_DELAY", .title = "SWAPD% ", .description = "Swapin delay %", .flags = 0, .defaultSortDesc = true, }, + [M_PSS] = { .name = "M_PSS", .title = " PSS ", .description = "proportional set size, same as M_RESIDENT but each page is divided by the number of processes sharing it.", .flags = PROCESS_FLAG_LINUX_SMAPS, .defaultSortDesc = true, }, + [M_SWAP] = { .name = "M_SWAP", .title = " SWAP ", .description = "Size of the process's swapped pages", .flags = PROCESS_FLAG_LINUX_SMAPS, .defaultSortDesc = true, }, + [M_PSSWP] = { .name = "M_PSSWP", .title = " PSSWP ", .description = "shows proportional swap share of this mapping, Unlike \"Swap\", this does not take into account swapped out page of underlying shmem objects.", .flags = PROCESS_FLAG_LINUX_SMAPS, .defaultSortDesc = true, }, + [CTXT] = { .name = "CTXT", .title = " CTXT ", .description = "Context switches (incremental sum of voluntary_ctxt_switches and nonvoluntary_ctxt_switches)", .flags = PROCESS_FLAG_LINUX_CTXT, .defaultSortDesc = true, }, + [SECATTR] = { .name = "SECATTR", .title = " Security Attribute ", .description = "Security attribute of the process (e.g. SELinux or AppArmor)", .flags = PROCESS_FLAG_LINUX_SECATTR, }, + [PROC_COMM] = { .name = "COMM", .title = "COMM ", .description = "comm string of the process", .flags = 0, }, + [PROC_EXE] = { .name = "EXE", .title = "EXE ", .description = "Basename of exe of the process", .flags = 0, }, + [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, }, +}; + +Process* PCPProcess_new(const Settings* settings) { + PCPProcess* this = xCalloc(1, sizeof(PCPProcess)); + Object_setClass(this, Class(PCPProcess)); + Process_init(&this->super, settings); + return &this->super; +} + +void Process_delete(Object* cast) { + PCPProcess* this = (PCPProcess*) cast; + Process_done((Process*)cast); + free(this->cgroup); + free(this->secattr); + free(this); +} + +static void PCPProcess_printDelay(float delay_percent, char* buffer, int n) { + if (isnan(delay_percent)) { + xSnprintf(buffer, n, " N/A "); + } else { + xSnprintf(buffer, n, "%4.1f ", delay_percent); + } +} + +static void PCPProcess_writeField(const Process* this, RichString* str, ProcessField field) { + const PCPProcess* pp = (const PCPProcess*) this; + bool coloring = this->settings->highlightMegabytes; + char buffer[256]; buffer[255] = '\0'; + int attr = CRT_colors[DEFAULT_COLOR]; + int n = sizeof(buffer) - 1; + switch ((int)field) { + case CMINFLT: Process_printCount(str, pp->cminflt, coloring); return; + case CMAJFLT: Process_printCount(str, pp->cmajflt, coloring); return; + case M_DRS: Process_printBytes(str, pp->m_drs, coloring); return; + case M_DT: Process_printBytes(str, pp->m_dt, coloring); return; + case M_LRS: Process_printBytes(str, pp->m_lrs, coloring); return; + case M_TRS: Process_printBytes(str, pp->m_trs, coloring); return; + case M_SHARE: Process_printBytes(str, pp->m_share, coloring); return; + case M_PSS: Process_printKBytes(str, pp->m_pss, coloring); return; + case M_SWAP: Process_printKBytes(str, pp->m_swap, coloring); return; + case M_PSSWP: Process_printKBytes(str, pp->m_psswp, coloring); return; + case UTIME: Process_printTime(str, pp->utime, coloring); return; + case STIME: Process_printTime(str, pp->stime, coloring); return; + case CUTIME: Process_printTime(str, pp->cutime, coloring); return; + case CSTIME: Process_printTime(str, pp->cstime, coloring); return; + case RCHAR: Process_printBytes(str, pp->io_rchar, coloring); return; + case WCHAR: Process_printBytes(str, pp->io_wchar, coloring); return; + case SYSCR: Process_printCount(str, pp->io_syscr, coloring); return; + case SYSCW: Process_printCount(str, pp->io_syscw, coloring); return; + case RBYTES: Process_printBytes(str, pp->io_read_bytes, coloring); return; + case WBYTES: Process_printBytes(str, pp->io_write_bytes, coloring); return; + case CNCLWB: Process_printBytes(str, pp->io_cancelled_write_bytes, coloring); return; + case IO_READ_RATE: Process_printRate(str, pp->io_rate_read_bps, coloring); return; + case IO_WRITE_RATE: Process_printRate(str, pp->io_rate_write_bps, coloring); return; + case IO_RATE: { + double totalRate = NAN; + if (!isnan(pp->io_rate_read_bps) && !isnan(pp->io_rate_write_bps)) + totalRate = pp->io_rate_read_bps + pp->io_rate_write_bps; + else if (!isnan(pp->io_rate_read_bps)) + totalRate = pp->io_rate_read_bps; + else if (!isnan(pp->io_rate_write_bps)) + totalRate = pp->io_rate_write_bps; + else + totalRate = NAN; + Process_printRate(str, totalRate, coloring); + return; + } + case CGROUP: xSnprintf(buffer, n, "%-10s ", pp->cgroup ? pp->cgroup : ""); break; + case OOM: xSnprintf(buffer, n, "%4u ", pp->oom); break; + case PERCENT_CPU_DELAY: + PCPProcess_printDelay(pp->cpu_delay_percent, buffer, n); + break; + case PERCENT_IO_DELAY: + PCPProcess_printDelay(pp->blkio_delay_percent, buffer, n); + break; + case PERCENT_SWAP_DELAY: + PCPProcess_printDelay(pp->swapin_delay_percent, buffer, n); + break; + case CTXT: + if (pp->ctxt_diff > 1000) { + attr |= A_BOLD; + } + xSnprintf(buffer, n, "%5lu ", pp->ctxt_diff); + break; + case SECATTR: snprintf(buffer, n, "%-30s ", pp->secattr ? pp->secattr : "?"); break; + case AUTOGROUP_ID: + if (pp->autogroup_id != -1) { + xSnprintf(buffer, n, "%4ld ", pp->autogroup_id); + } else { + attr = CRT_colors[PROCESS_SHADOW]; + xSnprintf(buffer, n, " N/A "); + } + break; + case AUTOGROUP_NICE: + if (pp->autogroup_id != -1) { + xSnprintf(buffer, n, "%3d ", pp->autogroup_nice); + attr = pp->autogroup_nice < 0 ? CRT_colors[PROCESS_HIGH_PRIORITY] + : pp->autogroup_nice > 0 ? CRT_colors[PROCESS_LOW_PRIORITY] + : CRT_colors[PROCESS_SHADOW]; + } else { + attr = CRT_colors[PROCESS_SHADOW]; + xSnprintf(buffer, n, "N/A "); + } + break; + default: + Process_writeField(this, str, field); + return; + } + RichString_appendWide(str, attr, buffer); +} + +static double adjustNaN(double num) { + if (isnan(num)) + return -0.0005; + + return num; +} + +static int PCPProcess_compareByKey(const Process* v1, const Process* v2, ProcessField key) { + const PCPProcess* p1 = (const PCPProcess*)v1; + const PCPProcess* p2 = (const PCPProcess*)v2; + + switch (key) { + case M_DRS: + return SPACESHIP_NUMBER(p1->m_drs, p2->m_drs); + case M_DT: + return SPACESHIP_NUMBER(p1->m_dt, p2->m_dt); + case M_LRS: + return SPACESHIP_NUMBER(p1->m_lrs, p2->m_lrs); + case M_TRS: + return SPACESHIP_NUMBER(p1->m_trs, p2->m_trs); + case M_SHARE: + return SPACESHIP_NUMBER(p1->m_share, p2->m_share); + case M_PSS: + return SPACESHIP_NUMBER(p1->m_pss, p2->m_pss); + case M_SWAP: + return SPACESHIP_NUMBER(p1->m_swap, p2->m_swap); + case M_PSSWP: + return SPACESHIP_NUMBER(p1->m_psswp, p2->m_psswp); + case UTIME: + return SPACESHIP_NUMBER(p1->utime, p2->utime); + case CUTIME: + return SPACESHIP_NUMBER(p1->cutime, p2->cutime); + case STIME: + return SPACESHIP_NUMBER(p1->stime, p2->stime); + case CSTIME: + return SPACESHIP_NUMBER(p1->cstime, p2->cstime); + case RCHAR: + return SPACESHIP_NUMBER(p1->io_rchar, p2->io_rchar); + case WCHAR: + return SPACESHIP_NUMBER(p1->io_wchar, p2->io_wchar); + case SYSCR: + return SPACESHIP_NUMBER(p1->io_syscr, p2->io_syscr); + case SYSCW: + return SPACESHIP_NUMBER(p1->io_syscw, p2->io_syscw); + case RBYTES: + return SPACESHIP_NUMBER(p1->io_read_bytes, p2->io_read_bytes); + case WBYTES: + return SPACESHIP_NUMBER(p1->io_write_bytes, p2->io_write_bytes); + 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)); + case IO_WRITE_RATE: + return SPACESHIP_NUMBER(adjustNaN(p1->io_rate_write_bps), adjustNaN(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)); + case CGROUP: + return SPACESHIP_NULLSTR(p1->cgroup, p2->cgroup); + case OOM: + return SPACESHIP_NUMBER(p1->oom, p2->oom); + case PERCENT_CPU_DELAY: + return SPACESHIP_NUMBER(p1->cpu_delay_percent, p2->cpu_delay_percent); + case PERCENT_IO_DELAY: + return SPACESHIP_NUMBER(p1->blkio_delay_percent, p2->blkio_delay_percent); + case PERCENT_SWAP_DELAY: + return SPACESHIP_NUMBER(p1->swapin_delay_percent, p2->swapin_delay_percent); + case CTXT: + return SPACESHIP_NUMBER(p1->ctxt_diff, p2->ctxt_diff); + case SECATTR: + return SPACESHIP_NULLSTR(p1->secattr, p2->secattr); + case AUTOGROUP_ID: + return SPACESHIP_NUMBER(p1->autogroup_id, p2->autogroup_id); + case AUTOGROUP_NICE: + return SPACESHIP_NUMBER(p1->autogroup_nice, p2->autogroup_nice); + default: + if (key < LAST_PROCESSFIELD) + return Process_compareByKey_Base(v1, v2, key); + return PCPDynamicColumn_compareByKey(p1, p2, key); + } +} + +const ProcessClass PCPProcess_class = { + .super = { + .extends = Class(Process), + .display = Process_display, + .delete = Process_delete, + .compare = Process_compare + }, + .writeField = PCPProcess_writeField, + .compareByKey = PCPProcess_compareByKey +}; |