Experience with topaz telebugging
PADD '88 Proceedings of the 1988 ACM SIGPLAN and SIGOPS workshop on Parallel and distributed debugging
The Performance Implications of Thread Management Alternatives for Shared-Memory Multiprocessors
IEEE Transactions on Computers
Techniques for efficient inline tracing on a shared-memory multiprocessor
SIGMETRICS '90 Proceedings of the 1990 ACM SIGMETRICS conference on Measurement and modeling of computer systems
Quartz: a tool for tuning parallel program performance
SIGMETRICS '90 Proceedings of the 1990 ACM SIGMETRICS conference on Measurement and modeling of computer systems
Environments and tools for parallel scientific computing
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PPOPP '95 Proceedings of the fifth ACM SIGPLAN symposium on Principles and practice of parallel programming
Waiting time analysis and performance visualization in Carnival
SPDT '96 Proceedings of the SIGMETRICS symposium on Parallel and distributed tools
KDB: a multi-threaded debugger for multi-threaded applications
SPDT '96 Proceedings of the SIGMETRICS symposium on Parallel and distributed tools
Performance debugging shared memory parallel programs using run-time dependence analysis
SIGMETRICS '97 Proceedings of the 1997 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Eraser: a dynamic data race detector for multi-threaded programs
Proceedings of the sixteenth ACM symposium on Operating systems principles
Experience with processes and monitors in Mesa
Communications of the ACM
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ICCS '02 Proceedings of the International Conference on Computational Science-Part II
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Proceedings of the 2nd ACM SIGOPS/EuroSys European Conference on Computer Systems 2007
Dynamic detection of event handlers
WODA '08 Proceedings of the 2008 international workshop on dynamic analysis: held in conjunction with the ACM SIGSOFT International Symposium on Software Testing and Analysis (ISSTA 2008)
Proceedings of the 2nd ACM/SPEC International Conference on Performance engineering
ICA3PP'05 Proceedings of the 6th international conference on Algorithms and Architectures for Parallel Processing
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Multithreaded programming is an effective way to exploit concurrency, but it is difficult to debug and tune a highly threaded program. This paper describes a performance tool called Tmon for monitoring, analyzing and tuning the performance of multithreaded programs. The performance tool has two novel features: it uses "thread waiting time" as a measure and constructs thread waiting graphs to show thread dependencies and thus performance bottlenecks, and it identifies "semi-busy-waiting" points where CPU cycles are wasted in condition checking and context switching. We have implemented the Tmon tool and, as a case study, we have used it to measure and tune a heavily threaded file system. We used four workloads to tune different aspects of the file system. We were able to improve the file system bandwidth and throughput significantly. In one case, we were able to improve the bandwidth by two orders of magnitude.