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93 lines
2.6 KiB
93 lines
2.6 KiB
/**********************************************************************/
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/* TimeMon (c) 1994 Helmut Maierhofer */
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/* KDE-ified M. Maierhofer 1998 */
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/**********************************************************************/
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/*
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* sample.h
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*
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* Definitions for the system dependent sampling class (currently relies
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* on the linux /proc filesystem).
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*/
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#ifndef SAMPLE_H
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#define SAMPLE_H
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// -- global constants ---------------------------------------------------
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#define MAX_CPU 16 // max number of CPUS in an SMP machine
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// we get the status for
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// -- forward declaration ------------------------------------------------
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class KTimeMon;
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#ifdef USE_SOLARIS
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struct kstat_ctl;
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#endif
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// -- class declaration --------------------------------------------------
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/*
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* KSample
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*
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* This class is responsible for reading the /proc file system and parsing
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* the system information.
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*/
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class KSample {
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public:
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// -- Sample declaration -----------------------------------------------
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struct Sample {
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unsigned long cputotal;
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unsigned long user, nice, kernel, iowait, idle;
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int cpus;
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unsigned long smptotal[MAX_CPU], smpbusy[MAX_CPU];
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unsigned long mtotal, free, buffers, cached, mkernel, used;
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unsigned long stotal, sused, sfree;
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void fill(unsigned scale); // fill sample with some fake values
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};
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struct MemStats {
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const char *name;
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unsigned long *stat;
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};
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KSample(KTimeMon *timemon, bool autoScale, unsigned pageScale,
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unsigned swapScale, unsigned ctxScale);
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virtual ~KSample();
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void setScaling(bool autoScale, unsigned pageScale,
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unsigned swapScale, unsigned ctxScale);
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Sample getSample(unsigned scale); // returns the current sample
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Sample getRawSample(); // returns unscaled sample
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void updateSample(); // updates the internally stored sample
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private:
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void readSample(); // reads a new sample from /proc
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unsigned long doScale(unsigned long value, unsigned scale1,
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unsigned long scale2);
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// converts pages to MB
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void makeMBytes(unsigned long &pages);
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void fatal(const TQString& msg);
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void nonfatal(const TQString& msg);
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KTimeMon *timemon;
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#ifdef __linux__
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int memFD, statFD;
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#elif defined(USE_SOLARIS)
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struct kstat_ctl *kc;
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bool warned;
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#endif
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#if defined(USE_SOLARIS) || defined(__osf__)
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unsigned long pagesPerMB;
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#endif
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Sample sample, oldSample;
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unsigned pageScale, swapScale, cxScale;
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bool autoscale;
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struct MemStats memstats[7];
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};
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#endif // SAMPLE_H
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