glance_char_mode

null Tools for Measuring System and Application Performance Introduction GlancePlus Introduction Glance Motif Glance Character Mode Glance Command-line Xverbosegc HPjmeter and –Xeprof Other Tools gdb GlancePlus Character Mode /opt/perf/bin/glanceGlance Character ModeGlance Character ModeCPU utilization System time and user time System call rates sched_yield, read, write Memory regions Java Heap and C Heap Page sizes used for each region allocated (mmap) Sizes of thread stacksGlance Character ModeGlance Character ModeNetwork activity rates Thread activity Thread ID is “lwp_id” shown in Java stack trace and HPjmeter Sort by CPU usage to see busiest threads Files Total number of files open Socket activity on each socket! System System table usageGlance Character Mode InvocationGlance Character Mode Invocation/opt/perf/bin/glance Starts a character mode version in window Commands typed directly in window Command summary: ? Can use function keys to navigate Powerful printing interface Ideal for collecting snapshots of the state of Machine Operating System ProcessGlance Character Mode ? – List All CommandsGlance Character Mode ? – List All Commands h - Online Help q - exit (or e) A - Application List g - Process List d - Disk Report P - PRM Group List a - CPU By Processor i - IO By File System Y - Global System Calls c - CPU Report u - IO By Disk F - Process Open Files m - Memory Report v - IO By Logical Volume M - Process Memory Regions t - System Tables N - NFS Global Activity R - Process Resources w - Swap Space n - NFS By System W - Process Wait States B - Global Waits l - Network By Interface L - Process System Calls Z - Global Threads D - DCE Global G - Process Threads K - DCE Process List I - Thread Resource T - Trans Tracker y - Renice Process J - Thread Wait H - Alarm History s - Select Process S - Select Disk/NFS/Appl/Trans/Thread GlancePlus Control Key Menu ? - Commands Menu b - Page Backward (or -) < - Display Previous Screen ! - Invoke Shell f - Page Forward (or +,space) > - Display Next Logical Scr h - Online Help q - exit (or e ) z - Reset Statistics to Zero p - Print Toggle r - Refresh Screen (or ^L) - Update Current Screen j - Adjust Interval o - Threshold Screen Options Glance Character Mode Commands for Java: MachineGlance Character Mode Commands for Java: Machine g Process List a CPU By Processor c CPU Report m Memory Report t System Tables w Swap Space Glance Character Mode Commands for Java: ProcessGlance Character Mode Commands for Java: Process s Select Process F Open Files M Memory Regions R Resources W Wait States L System Calls G Threads S Select Thread Glance Character Mode Commands for Java: EnvironmentGlance Character Mode Commands for Java: Environment f Page Forward (or +,space) b Page Backward (or -) < Display Previous Screen j Adjust Interval q exit (or e) p Print – single page or continuous – to file or printerGlance Character Mode g – Process ListGlance Character Mode g – Process ListGlance Character Mode g – Process ListGlance Character Mode g – Process ListGlance Character Mode g – Process ListGlance Character Mode g – Process ListResident Set SizeGlance Character Mode g – Process ListGlance Character Mode g – Process ListGlance Character Mode a – CPU By ProcessorGlance Character Mode a – CPU By ProcessorGlance Character Mode t – System Tables (1)Glance Character Mode t – System Tables (1)Glance Character Mode t – System Tables (1)Glance Character Mode t – System Tables (1)Interesting values: ninode Shared Memory Machine Model OS Version Physical Memory Number of CPUs Network Interfaces Number of Swap Areas Glance Character Mode t – System Tables (2)Glance Character Mode t – System Tables (2)Glance Character Mode t – System Tables (2)Glance Character Mode t – System Tables (2)Interesting values: nproc nfile nflocks Glance Character Mode w – Swap SpaceGlance Character Mode w – Swap SpaceGlance Character Mode w – Swap SpaceGlance Character Mode w – Swap SpaceDeviceMemoryGlance Character Mode s – Select ProcessGlance Character Mode s – Select ProcessGlance Character Mode s – Select ProcessGlance Character Mode s – Select ProcessType PID NumberGlance Character Mode Displays Process ResourcesGlance Character Mode Displays Process ResourcesGlance Character Mode M – Process Memory RegionsGlance Character Mode M – Process Memory RegionsGlance Character Mode M – Process Memory RegionsGlance Character Mode M – Process Memory RegionsGlance Character Mode M – Process Memory RegionsGlance Character Mode M – Process Memory RegionsData == C HeapText == ExecutableOther == Java Heap Shared Libraries Thread StacksStack == For 1st ThreadGlance Character Mode L – Process System CallsGlance Character Mode L – Process System CallsGlance Character Mode L – Process System CallsGlance Character Mode L – Process System CallsHIGH ksleep() kwakeup() CALL RATESGlance Character Mode L – Process System CallsGlance Character Mode L – Process System CallsHIGH sched_yield() CALL RATEGlance Character Mode L – Process System CallsGlance Character Mode L – Process System CallsGlance Character Mode G – Process ThreadsGlance Character Mode G – Process ThreadsCPU UsageGlance Character Mode S – Select ThreadGlance Character Mode S – Select ThreadType TID NumberGlance Character Mode Thread ResourcesGlance Character Mode Thread ResourcesGlance Character Mode Thread ResourcesGlance Character Mode Thread ResourcesGlance Character Mode SummaryGlance Character Mode SummaryIdeal tool for: Low bandwidth connections Printing information for remote problem diagnosis Important machine configuration information Important OS configuration information OS resource usage Process list and resource consumption summary Analysis of individual thread behavior