On Thu, Aug 17, 2023 at 04:45:08PM -0400, Steven Rostedt wrote: > From: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx> > > This patch set is based on top of: > > https://lore.kernel.org/all/20230809175340.3066-1-stevie.6strings@xxxxxxxxx/ > > I added a sample program task-eval which is one of the tools that will be > using this library. The first patch adds task-eval but that is still using > the old API (defined in trace-analysis.c). > > The next patches modify the new API to fit with the use case of task-eval. > One is to use "pointer" as I'm not sure exactly the usecase of the dynamic > structure. > > The cmp and release callbacks are changed to be more generic, and they get > called if they simply exist for a given type. I can imagine wanting a > release function for event the most mundane types (like number_32). > > The cmp was also updated to pass in the traceeval descriptor, as I found > that I needed access to it while doing a compare (although, I rewrote the > code a bit where that use case isn't in the tool anymore). > > Some fixes were made to the query. > > I also did a bit of code restructuring and add the hash and iterator logic. > > The last patch updates the sample code task-eval.c and has it give pretty > much the same logic as the original. > > That sample could be updated to implement the code consolidation that Ross > suggested. I may do that later. > > Happy programming! Looks good, you can add: Reviewed-by: Ross Zwisler <zwisler@xxxxxxxxxx> > > Changes since v3: https://lore.kernel.org/all/20230817013310.88582-1-rostedt@xxxxxxxxxxx/ > > - Added patch to reordered the parameters of copy_traceeval_data() and renamed > copy to dst and orig to src to match that of memcpy() and strcpy(). > > - Added patch to rename copy_traceeval_data_set() to dup_traceeval_data_set() > to not have the parameter order to be confusing with the typical copy order. > > - Fixed comment of traceeval_remove() (Ross Zwisler) > > Changes since v2: https://lore.kernel.org/all/20230811053940.1408424-1-rostedt@xxxxxxxxxxx/ > > - Fixed comments on traceeval_dyn_release_fn and traceeval_dyn_cmp_fn (Ross Zwisler) > > - Change parameter ordering of compare_traceeval_data (Ross Zwisler) > > - Added (size_t) to offset_of() macro (Ross Zwisler) > > - Fixed iter->current_bucket off by one bug (Ross Zwisler) > > - Removed HASH_MASK() from make_hash() > > - Fixed goto fail_release in traceeval_init() (Ross Zwisler) > > - Free sort and direction in traceeval_iterator_put() (Ross Zwisler) > > - Use num_levels variable instead of (level + 1) (Ross Zwisler) > > - Return 0 on success of update_entry (Ross Zwisler) > > - Fixed the cleanup of old values in update_entry() (Ross Zwisler) > > - Fixed resetting iter->next = 0 in traceeval_iterator_sort_custom() (Ross Zwisler) > > - Added failure checks to task-eval.c sample for all traceeval_query() calls. > > - Added traceeval_remove() to remove an item from traceveal (opposite of traceeval_insert()) > > Changes since v1: https://lore.kernel.org/all/20230809031313.1298605-1-rostedt@xxxxxxxxxxx/ > > - Lots! > > - Converted to using a hash table > > - Removed the unused compare code. With the other updates, it was > taking too much time to keep updating them. > > - Added checks and labels to the types to have them know what type > they are, and index they are at. > > - Added stat logic > > - Added iterator logic > > - Have a working sample with the new code! > > Steven Rostedt (Google) (20): > libtraceeval histograms: Fix traceeval_results_release() error message > libtraceeval: Reverse params of copy_traceeval_data() > libtraceeval: Rename copy_traceeval_data_set() to dup_traceeval_data() > libtraceeval: Add sample task-eval program > libtraceeval hist: Add pointer and const string types > libtraceeval histogram: Have cmp and release functions be generic > libtraceeval histograms: Add traceeval struct to compare function > libtraceeval histogram: Remove comparing of traceeval and types > libtraceeval: Convert hist array into a hash table > libtraceeval histograms: Move hash functions into their own file > libtraceeval histogram: Label and check keys and values > libtraceeval histogram: Add updating of stats > libtraceeval histogram: Add iterator APIs > libtraceeval histogram: Add data copy callback > libtraceeval histogram: Do the release on updates > libtraceeval histogram: Use stack for old copy in update > libtraceeval histogram: Add traceeval_iterator_sort_custom() > libtraceeval histogram: Have traceeval_query() just give the pointer > to results > libtraceeval samples: Update task-eval to use the histogram logic > libtraceeval: Add traceeval_remove() > > Makefile | 4 +- > include/traceeval-hist.h | 117 +++-- > include/traceeval-test.h | 16 - > samples/Makefile | 29 ++ > samples/task-eval.c | 966 +++++++++++++++++++++++++++++++++++++++ > src/Makefile | 1 + > src/eval-local.h | 123 +++++ > src/hash.c | 123 +++++ > src/histograms.c | 945 ++++++++++++++++++++++++++++---------- > 9 files changed, 2023 insertions(+), 301 deletions(-) > delete mode 100644 include/traceeval-test.h > create mode 100644 samples/Makefile > create mode 100644 samples/task-eval.c > create mode 100644 src/eval-local.h > create mode 100644 src/hash.c > > -- > 2.40.1 >
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