![]() Using proprietary Ray Tracing visual analysis, the Dashboard breaks down a patient’s vision into depictions of corneal, internal, and combined vision quality. In iTrace Prime, the DLI is now included in a new display called the “Prime Dashboard”. The DLI™ is a 1-10 scale that enables doctors to assess a patient’s lens dysfunction objectively and track it over time as degradation continues, helping to better understand the optimal time to perform surgery. The iTrace is currently equipped with a patented algorithmic metric called the “Dysfunctional Lens Index” that has been available for several years in previous versions. The iTrace is trusted by top eye doctors and surgeons around the world to support and simplify the process of classifying quality of vision, making decisions about surgery, choosing the right lens implant for cataract procedures, and more. Houston, TX - Tracey Technologies announced the release of the 7th generation of software, called “ iTrace Prime,” adding several features that enable new applications of a device that’s already known to be unique in comparison with other devices in the market. 02, 2023 (GLOBE NEWSWIRE) - Houston, Texas. +itrace_elf_note_write(struct coredump_params *cprm,ĭiff -git a/include/linux/perf_event.h b/include/linux/perf_event./ EIN News/ - Houston, Feb. +++ -471,6 +471,7 static const struct limit_names lnames = We rely on regset 0 being in -1710,6 +1714,8 static int write_note_info(struct elf_note_info *info,ĭiff -git a/fs/proc/base.c b/fs/proc/base.c ![]() Return -1608,6 +1611,7 static int fill_note_info(struct elfhdr *elf, int phdrs, + *total += itrace_elf_note_size(t->task) #include -1576,6 +1577,8 static int fill_thread_core_info(struct elf_thread_core_info *t, Include/uapi/asm-generic/resource.h | 3 +. This infrastructure should also be useful for ARM ETM/PTM and other programįlow tracing units that can potentially generate a lot of trace data very Is done by a per-thread kernel counter that is created when this RLIMIT_ITRACE Which is controlled via a new rlimit parameter RLIMIT_ITRACE. Is retrieved from it and stored in the perf data stream.įinally, such per thread trace data can be included in process core dumps, This case, a PT kernel counter is created for each such event and trace data Ring_buffer code in an attempt to reduce complexity.Īlso, trace data from such PMUs can be used to annotate other perf eventsīy including it in sample records when PERF_SAMPLE_ITRACE flag is set. Is extended to work with multiple ring buffers per event, reusing the Perf event fd with a PERF_EVENT_ITRACE_OFFSET offset. May export their trace buffers, which can be mmap()ed to userspace from a Raw trace streams to userspace for subsequent analysis. Impractical to process it inside the kernel in real time, but instead export Since such PMUs can produce copious amounts of trace data, it may be This patch adds itrace infrastructure for perf events and the Instruction tracing PMUs are capable of recording a log of instructionĮxecution flow on a cpu core, which can be useful for profiling and crashĪnalysis. Next in thread: Ingo Molnar: "Re: perf: Add support for Intel Processor Trace".In reply to: Alexander Shishkin: " x86: perf: Intel PT PMU driver".Previous message: Alexander Shishkin: " x86: perf: Intel PT PMU driver".Next message: Ingo Molnar: "Re: perf: Add support for Intel Processor Trace".Linux-Kernel Archive: itrace: Infrastructure for instruction flow tracing units itrace: Infrastructure for instruction flow tracing units From: Alexander Shishkin
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