From ff9409b1737627857eb47f64f536a3f66b6a09a4 Mon Sep 17 00:00:00 2001 From: Daniel Lange Date: Mon, 11 Apr 2016 13:01:07 +0200 Subject: Imported Upstream version 2.0.0 --- linux/LinuxProcess.c | 413 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 413 insertions(+) create mode 100644 linux/LinuxProcess.c (limited to 'linux/LinuxProcess.c') diff --git a/linux/LinuxProcess.c b/linux/LinuxProcess.c new file mode 100644 index 0000000..c6c3112 --- /dev/null +++ b/linux/LinuxProcess.c @@ -0,0 +1,413 @@ +/* +htop - LinuxProcess.c +(C) 2014 Hisham H. Muhammad +Released under the GNU GPL, see the COPYING file +in the source distribution for its full text. +*/ + +#include "Process.h" +#include "ProcessList.h" +#include "LinuxProcess.h" +#include "Platform.h" +#include "CRT.h" + +#include +#include +#include +#include + +/*{ + +#define PROCESS_FLAG_LINUX_IOPRIO 0x0100 +#define PROCESS_FLAG_LINUX_OPENVZ 0x0200 +#define PROCESS_FLAG_LINUX_VSERVER 0x0400 +#define PROCESS_FLAG_LINUX_CGROUP 0x0800 +#define PROCESS_FLAG_LINUX_OOM 0x1000 + +typedef enum UnsupportedProcessFields { + FLAGS = 9, + ITREALVALUE = 20, + VSIZE = 22, + RSS = 23, + RLIM = 24, + STARTCODE = 25, + ENDCODE = 26, + STARTSTACK = 27, + KSTKESP = 28, + KSTKEIP = 29, + SIGNAL = 30, + BLOCKED = 31, + SSIGIGNORE = 32, + SIGCATCH = 33, + WCHAN = 34, + NSWAP = 35, + CNSWAP = 36, + EXIT_SIGNAL = 37, +} UnsupportedProcessField; + +typedef enum LinuxProcessFields { + CMINFLT = 11, + CMAJFLT = 13, + UTIME = 14, + STIME = 15, + CUTIME = 16, + CSTIME = 17, + M_SHARE = 41, + M_TRS = 42, + M_DRS = 43, + M_LRS = 44, + M_DT = 45, + #ifdef HAVE_OPENVZ + CTID = 100, + VPID = 101, + #endif + #ifdef HAVE_VSERVER + VXID = 102, + #endif + #ifdef HAVE_TASKSTATS + RCHAR = 103, + WCHAR = 104, + SYSCR = 105, + SYSCW = 106, + RBYTES = 107, + WBYTES = 108, + CNCLWB = 109, + IO_READ_RATE = 110, + IO_WRITE_RATE = 111, + IO_RATE = 112, + #endif + #ifdef HAVE_CGROUP + CGROUP = 113, + #endif + OOM = 114, + IO_PRIORITY = 115, + LAST_PROCESSFIELD = 116, +} LinuxProcessField; + +#include "IOPriority.h" + +typedef struct LinuxProcess_ { + Process super; + IOPriority ioPriority; + unsigned long int cminflt; + unsigned long int cmajflt; + unsigned long long int utime; + unsigned long long int stime; + unsigned long long int cutime; + unsigned long long int cstime; + long m_share; + long m_trs; + long m_drs; + long m_lrs; + long m_dt; + #ifdef HAVE_TASKSTATS + unsigned long long io_rchar; + unsigned long long io_wchar; + unsigned long long io_syscr; + unsigned long long io_syscw; + unsigned long long io_read_bytes; + unsigned long long io_write_bytes; + unsigned long long io_cancelled_write_bytes; + unsigned long long io_rate_read_time; + unsigned long long io_rate_write_time; + double io_rate_read_bps; + double io_rate_write_bps; + #endif + #ifdef HAVE_OPENVZ + unsigned int ctid; + unsigned int vpid; + #endif + #ifdef HAVE_VSERVER + unsigned int vxid; + #endif + #ifdef HAVE_CGROUP + char* cgroup; + #endif + unsigned int oom; +} LinuxProcess; + +#ifndef Process_isKernelThread +#define Process_isKernelThread(_process) (_process->pgrp == 0) +#endif + +#ifndef Process_isUserlandThread +#define Process_isUserlandThread(_process) (_process->pid != _process->tgid) +#endif + +}*/ + +ProcessFieldData Process_fields[] = { + [0] = { .name = "", .title = NULL, .description = NULL, .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, }, + [PGRP] = { .name = "PGRP", .title = " PGRP ", .description = "Process group ID", .flags = 0, }, + [SESSION] = { .name = "SESSION", .title = " SESN ", .description = "Process's session ID", .flags = 0, }, + [TTY_NR] = { .name = "TTY_NR", .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, }, + [FLAGS] = { .name = "FLAGS", .title = NULL, .description = NULL, .flags = 0, }, + [MINFLT] = { .name = "MINFLT", .title = " MINFLT ", .description = "Number of minor faults which have not required loading a memory page from disk", .flags = 0, }, + [CMINFLT] = { .name = "CMINFLT", .title = " CMINFLT ", .description = "Children processes' minor faults", .flags = 0, }, + [MAJFLT] = { .name = "MAJFLT", .title = " MAJFLT ", .description = "Number of major faults which have required loading a memory page from disk", .flags = 0, }, + [CMAJFLT] = { .name = "CMAJFLT", .title = " CMAJFLT ", .description = "Children processes' major faults", .flags = 0, }, + [UTIME] = { .name = "UTIME", .title = " UTIME+ ", .description = "User CPU time - time the process spent executing in user mode", .flags = 0, }, + [STIME] = { .name = "STIME", .title = " STIME+ ", .description = "System CPU time - time the kernel spent running system calls for this process", .flags = 0, }, + [CUTIME] = { .name = "CUTIME", .title = " CUTIME+ ", .description = "Children processes' user CPU time", .flags = 0, }, + [CSTIME] = { .name = "CSTIME", .title = " CSTIME+ ", .description = "Children processes' system CPU time", .flags = 0, }, + [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, }, + [ITREALVALUE] = { .name = "ITREALVALUE", .title = NULL, .description = NULL, .flags = 0, }, + [STARTTIME] = { .name = "STARTTIME", .title = "START ", .description = "Time the process was started", .flags = 0, }, + [VSIZE] = { .name = "VSIZE", .title = NULL, .description = NULL, .flags = 0, }, + [RSS] = { .name = "RSS", .title = NULL, .description = NULL, .flags = 0, }, + [RLIM] = { .name = "RLIM", .title = NULL, .description = NULL, .flags = 0, }, + [STARTCODE] = { .name = "STARTCODE", .title = NULL, .description = NULL, .flags = 0, }, + [ENDCODE] = { .name = "ENDCODE", .title = NULL, .description = NULL, .flags = 0, }, + [STARTSTACK] = { .name = "STARTSTACK", .title = NULL, .description = NULL, .flags = 0, }, + [KSTKESP] = { .name = "KSTKESP", .title = NULL, .description = NULL, .flags = 0, }, + [KSTKEIP] = { .name = "KSTKEIP", .title = NULL, .description = NULL, .flags = 0, }, + [SIGNAL] = { .name = "SIGNAL", .title = NULL, .description = NULL, .flags = 0, }, + [BLOCKED] = { .name = "BLOCKED", .title = NULL, .description = NULL, .flags = 0, }, + [SSIGIGNORE] = { .name = "SIGIGNORE", .title = NULL, .description = NULL, .flags = 0, }, + [SIGCATCH] = { .name = "SIGCATCH", .title = NULL, .description = NULL, .flags = 0, }, + [WCHAN] = { .name = "WCHAN", .title = NULL, .description = NULL, .flags = 0, }, + [NSWAP] = { .name = "NSWAP", .title = NULL, .description = NULL, .flags = 0, }, + [CNSWAP] = { .name = "CNSWAP", .title = NULL, .description = NULL, .flags = 0, }, + [EXIT_SIGNAL] = { .name = "EXIT_SIGNAL", .title = NULL, .description = NULL, .flags = 0, }, + [PROCESSOR] = { .name = "PROCESSOR", .title = "CPU ", .description = "Id of the CPU the process last executed on", .flags = 0, }, + [M_SIZE] = { .name = "M_SIZE", .title = " VIRT ", .description = "Total program size in virtual memory", .flags = 0, }, + [M_RESIDENT] = { .name = "M_RESIDENT", .title = " RES ", .description = "Resident set size, size of the text and data sections, plus stack usage", .flags = 0, }, + [M_SHARE] = { .name = "M_SHARE", .title = " SHR ", .description = "Size of the process's shared pages", .flags = 0, }, + [M_TRS] = { .name = "M_TRS", .title = " CODE ", .description = "Size of the text segment of the process", .flags = 0, }, + [M_DRS] = { .name = "M_DRS", .title = " DATA ", .description = "Size of the data segment plus stack usage of the process", .flags = 0, }, + [M_LRS] = { .name = "M_LRS", .title = " LIB ", .description = "The library size of the process", .flags = 0, }, + [M_DT] = { .name = "M_DT", .title = " DIRTY ", .description = "Size of the dirty pages of the process", .flags = 0, }, + [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, }, + [PERCENT_MEM] = { .name = "PERCENT_MEM", .title = "MEM% ", .description = "Percentage of the memory the process is using, based on resident memory size", .flags = 0, }, + [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, }, + [NLWP] = { .name = "NLWP", .title = "NLWP ", .description = "Number of threads in the process", .flags = 0, }, + [TGID] = { .name = "TGID", .title = " TGID ", .description = "Thread group ID (i.e. process ID)", .flags = 0, }, +#ifdef HAVE_OPENVZ + [CTID] = { .name = "CTID", .title = " CTID ", .description = "OpenVZ container ID (a.k.a. virtual environment ID)", .flags = PROCESS_FLAG_LINUX_OPENVZ, }, + [VPID] = { .name = "VPID", .title = " VPID ", .description = "OpenVZ process ID", .flags = PROCESS_FLAG_LINUX_OPENVZ, }, +#endif +#ifdef HAVE_VSERVER + [VXID] = { .name = "VXID", .title = " VXID ", .description = "VServer process ID", .flags = PROCESS_FLAG_LINUX_VSERVER, }, +#endif +#ifdef HAVE_TASKSTATS + [RCHAR] = { .name = "RCHAR", .title = " RD_CHAR ", .description = "Number of bytes the process has read", .flags = PROCESS_FLAG_IO, }, + [WCHAR] = { .name = "WCHAR", .title = " WR_CHAR ", .description = "Number of bytes the process has written", .flags = PROCESS_FLAG_IO, }, + [SYSCR] = { .name = "SYSCR", .title = " RD_SYSC ", .description = "Number of read(2) syscalls for the process", .flags = PROCESS_FLAG_IO, }, + [SYSCW] = { .name = "SYSCW", .title = " WR_SYSC ", .description = "Number of write(2) syscalls for the process", .flags = PROCESS_FLAG_IO, }, + [RBYTES] = { .name = "RBYTES", .title = " IO_RBYTES ", .description = "Bytes of read(2) I/O for the process", .flags = PROCESS_FLAG_IO, }, + [WBYTES] = { .name = "WBYTES", .title = " IO_WBYTES ", .description = "Bytes of write(2) I/O for the process", .flags = PROCESS_FLAG_IO, }, + [CNCLWB] = { .name = "CNCLWB", .title = " IO_CANCEL ", .description = "Bytes of cancelled write(2) I/O", .flags = PROCESS_FLAG_IO, }, + [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, }, + [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, }, + [IO_RATE] = { .name = "IO_RATE", .title = " DISK R/W ", .description = "Total I/O rate in bytes per second", .flags = PROCESS_FLAG_IO, }, +#endif +#ifdef HAVE_CGROUP + [CGROUP] = { .name = "CGROUP", .title = " CGROUP ", .description = "Which cgroup the process is in", .flags = PROCESS_FLAG_LINUX_CGROUP, }, +#endif + [OOM] = { .name = "OOM", .title = " OOM ", .description = "OOM (Out-of-Memory) killer score", .flags = PROCESS_FLAG_LINUX_OOM, }, + [IO_PRIORITY] = { .name = "IO_PRIORITY", .title = "IO ", .description = "I/O priority", .flags = PROCESS_FLAG_LINUX_IOPRIO, }, + [LAST_PROCESSFIELD] = { .name = "*** report bug! ***", .title = NULL, .description = NULL, .flags = 0, }, +}; + +ProcessPidColumn Process_pidColumns[] = { + { .id = PID, .label = "PID" }, + { .id = PPID, .label = "PPID" }, + #ifdef HAVE_OPENVZ + { .id = VPID, .label = "VPID" }, + #endif + { .id = TPGID, .label = "TPGID" }, + { .id = TGID, .label = "TGID" }, + { .id = PGRP, .label = "PGRP" }, + { .id = SESSION, .label = "SESN" }, + { .id = OOM, .label = "OOM" }, + { .id = 0, .label = NULL }, +}; + +ProcessClass LinuxProcess_class = { + .super = { + .extends = Class(Process), + .display = Process_display, + .delete = Process_delete, + .compare = LinuxProcess_compare + }, + .writeField = (Process_WriteField) LinuxProcess_writeField, +}; + +LinuxProcess* LinuxProcess_new(Settings* settings) { + LinuxProcess* this = xCalloc(1, sizeof(LinuxProcess)); + Object_setClass(this, Class(LinuxProcess)); + Process_init(&this->super, settings); + return this; +} + +void Process_delete(Object* cast) { + LinuxProcess* this = (LinuxProcess*) cast; + Process_done((Process*)cast); +#ifdef HAVE_CGROUP + free(this->cgroup); +#endif + free(this); +} + +/* +[1] Note that before kernel 2.6.26 a process that has not asked for +an io priority formally uses "none" as scheduling class, but the +io scheduler will treat such processes as if it were in the best +effort class. The priority within the best effort class will be +dynamically derived from the cpu nice level of the process: +io_priority = (cpu_nice + 20) / 5. -- From ionice(1) man page +*/ +#define LinuxProcess_effectiveIOPriority(p_) (IOPriority_class(p_->ioPriority) == IOPRIO_CLASS_NONE ? IOPriority_tuple(IOPRIO_CLASS_BE, (p_->super.nice + 20) / 5) : p_->ioPriority) + +IOPriority LinuxProcess_updateIOPriority(LinuxProcess* this) { + IOPriority ioprio = syscall(SYS_ioprio_get, IOPRIO_WHO_PROCESS, this->super.pid); + this->ioPriority = ioprio; + return ioprio; +} + +bool LinuxProcess_setIOPriority(LinuxProcess* this, IOPriority ioprio) { + syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, this->super.pid, ioprio); + return (LinuxProcess_updateIOPriority(this) == ioprio); +} + +void LinuxProcess_writeField(Process* this, RichString* str, ProcessField field) { + LinuxProcess* lp = (LinuxProcess*) 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_colorNumber(str, lp->cminflt, coloring); return; + case CMAJFLT: Process_colorNumber(str, lp->cmajflt, coloring); return; + case M_DRS: Process_humanNumber(str, lp->m_drs * PAGE_SIZE_KB, coloring); return; + case M_DT: Process_humanNumber(str, lp->m_dt * PAGE_SIZE_KB, coloring); return; + case M_LRS: Process_humanNumber(str, lp->m_lrs * PAGE_SIZE_KB, coloring); return; + case M_TRS: Process_humanNumber(str, lp->m_trs * PAGE_SIZE_KB, coloring); return; + case M_SHARE: Process_humanNumber(str, lp->m_share * PAGE_SIZE_KB, coloring); return; + case UTIME: Process_printTime(str, lp->utime); return; + case STIME: Process_printTime(str, lp->stime); return; + case CUTIME: Process_printTime(str, lp->cutime); return; + case CSTIME: Process_printTime(str, lp->cstime); return; + #ifdef HAVE_TASKSTATS + case RCHAR: Process_colorNumber(str, lp->io_rchar, coloring); return; + case WCHAR: Process_colorNumber(str, lp->io_wchar, coloring); return; + case SYSCR: Process_colorNumber(str, lp->io_syscr, coloring); return; + case SYSCW: Process_colorNumber(str, lp->io_syscw, coloring); return; + case RBYTES: Process_colorNumber(str, lp->io_read_bytes, coloring); return; + case WBYTES: Process_colorNumber(str, lp->io_write_bytes, coloring); return; + case CNCLWB: Process_colorNumber(str, lp->io_cancelled_write_bytes, coloring); return; + case IO_READ_RATE: Process_outputRate(str, buffer, n, lp->io_rate_read_bps, coloring); return; + case IO_WRITE_RATE: Process_outputRate(str, buffer, n, lp->io_rate_write_bps, coloring); return; + case IO_RATE: Process_outputRate(str, buffer, n, lp->io_rate_read_bps + lp->io_rate_write_bps, coloring); return; + #endif + #ifdef HAVE_OPENVZ + case CTID: snprintf(buffer, n, "%7u ", lp->ctid); break; + case VPID: snprintf(buffer, n, Process_pidFormat, lp->vpid); break; + #endif + #ifdef HAVE_VSERVER + case VXID: snprintf(buffer, n, "%5u ", lp->vxid); break; + #endif + #ifdef HAVE_CGROUP + case CGROUP: snprintf(buffer, n, "%-10s ", lp->cgroup); break; + #endif + case OOM: snprintf(buffer, n, Process_pidFormat, lp->oom); break; + case IO_PRIORITY: { + int klass = IOPriority_class(lp->ioPriority); + if (klass == IOPRIO_CLASS_NONE) { + // see note [1] above + snprintf(buffer, n, "B%1d ", (int) (this->nice + 20) / 5); + } else if (klass == IOPRIO_CLASS_BE) { + snprintf(buffer, n, "B%1d ", IOPriority_data(lp->ioPriority)); + } else if (klass == IOPRIO_CLASS_RT) { + attr = CRT_colors[PROCESS_HIGH_PRIORITY]; + snprintf(buffer, n, "R%1d ", IOPriority_data(lp->ioPriority)); + } else if (lp->ioPriority == IOPriority_Idle) { + attr = CRT_colors[PROCESS_LOW_PRIORITY]; + snprintf(buffer, n, "id "); + } else { + snprintf(buffer, n, "?? "); + } + break; + } + default: + Process_writeField((Process*)this, str, field); + return; + } + RichString_append(str, attr, buffer); +} + +long LinuxProcess_compare(const void* v1, const void* v2) { + LinuxProcess *p1, *p2; + Settings *settings = ((Process*)v1)->settings; + if (settings->direction == 1) { + p1 = (LinuxProcess*)v1; + p2 = (LinuxProcess*)v2; + } else { + p2 = (LinuxProcess*)v1; + p1 = (LinuxProcess*)v2; + } + long long diff; + switch ((int)settings->sortKey) { + case M_DRS: + return (p2->m_drs - p1->m_drs); + case M_DT: + return (p2->m_dt - p1->m_dt); + case M_LRS: + return (p2->m_lrs - p1->m_lrs); + case M_TRS: + return (p2->m_trs - p1->m_trs); + case M_SHARE: + return (p2->m_share - p1->m_share); + case UTIME: diff = p2->utime - p1->utime; goto test_diff; + case CUTIME: diff = p2->cutime - p1->cutime; goto test_diff; + case STIME: diff = p2->stime - p1->stime; goto test_diff; + case CSTIME: diff = p2->cstime - p1->cstime; goto test_diff; + #ifdef HAVE_TASKSTATS + case RCHAR: diff = p2->io_rchar - p1->io_rchar; goto test_diff; + case WCHAR: diff = p2->io_wchar - p1->io_wchar; goto test_diff; + case SYSCR: diff = p2->io_syscr - p1->io_syscr; goto test_diff; + case SYSCW: diff = p2->io_syscw - p1->io_syscw; goto test_diff; + case RBYTES: diff = p2->io_read_bytes - p1->io_read_bytes; goto test_diff; + case WBYTES: diff = p2->io_write_bytes - p1->io_write_bytes; goto test_diff; + case CNCLWB: diff = p2->io_cancelled_write_bytes - p1->io_cancelled_write_bytes; goto test_diff; + case IO_READ_RATE: diff = p2->io_rate_read_bps - p1->io_rate_read_bps; goto test_diff; + case IO_WRITE_RATE: diff = p2->io_rate_write_bps - p1->io_rate_write_bps; goto test_diff; + case IO_RATE: diff = (p2->io_rate_read_bps + p2->io_rate_write_bps) - (p1->io_rate_read_bps + p1->io_rate_write_bps); goto test_diff; + #endif + #ifdef HAVE_OPENVZ + case CTID: + return (p2->ctid - p1->ctid); + case VPID: + return (p2->vpid - p1->vpid); + #endif + #ifdef HAVE_VSERVER + case VXID: + return (p2->vxid - p1->vxid); + #endif + #ifdef HAVE_CGROUP + case CGROUP: + return strcmp(p1->cgroup ? p1->cgroup : "", p2->cgroup ? p2->cgroup : ""); + #endif + case OOM: + return (p2->oom - p1->oom); + case IO_PRIORITY: + return LinuxProcess_effectiveIOPriority(p1) - LinuxProcess_effectiveIOPriority(p2); + default: + return Process_compare(v1, v2); + } + test_diff: + return (diff > 0) ? 1 : (diff < 0 ? -1 : 0); +} + +bool Process_isThread(Process* this) { + return (Process_isUserlandThread(this) || Process_isKernelThread(this)); +} + -- cgit v1.2.3