Patent
1996-11-26
1999-04-20
Hafiz, Tariq R.
G06F 945
Patent
active
058965386
ABSTRACT:
The present invention is directed to a system and method for monitoring system performance by using a multi-phase approach. The first phase, referred to as the burst counting phase, utilizes a set of counters to identify calls and returns which are heavily used. In the second phase, referred to as the instrumentation phase, the performance characteristics of the "hot spots" are monitored through the use of hardware counters. In a symmetrical multi-processor embodiment, the performance profiler is active on all processors at the same time. Frequently executed code paths are identified in a manner that is minimally-intrusive to the system as a whole, and uses relatively little storage. The user may specify a threshold count, after which hardware monitoring begins, and the user may specify the type of hardware performance data collected. After both phases of the performance monitor are run, the data can be presented to the user in a variety of ways.
REFERENCES:
patent: 4899275 (1990-02-01), Sachs et al.
patent: 5047919 (1991-09-01), Sterling et al.
patent: 5274776 (1993-12-01), Senta
patent: 5392408 (1995-02-01), Fitch
patent: 5457799 (1995-10-01), Srivastava
patent: 5515519 (1996-05-01), Yoshioka et al.
patent: 5539907 (1996-07-01), Srivastava et al.
patent: 5748878 (1998-05-01), Rees et al.
Blandy Geoffrey Owen
Saba Maher Afif
Urquhart Robert John
Clark George E.
Corcoran, III Peter J.
Hafiz Tariq R.
International Business Machines - Corporation
LaBaw Jeffrey S.
LandOfFree
System and method for multi-phased performance profiling of sing does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System and method for multi-phased performance profiling of sing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for multi-phased performance profiling of sing will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2254970