TEKWISSEN
Website:
tekwissen.com
Job details:
Overview
TekWissen Group is a workforce management provider throughout India and many other countries in the world, the Client has proven expertise in ASIC design from Spec to Silicon and software development end to end.
Job Title: Linux System Programming Performance
Location: Bangalore
Job Type: Full Time
Work Type: Onsite
Job Description
- Linux System Software Performance Engineer responsible for performance measurement, trace collection, and triage across bare‑metal and virtualized platforms, with focus on hard real‑time behavior and system‑level performance derates.
Core Responsibilities – PAVS KPIs & Deliverables
- Own end‑to‑end performance measurements across Linux system software stacks
- Collect traces, triage issues, and perform root‑cause analysis for performance deviations
- Identify, quantify, and report system bottlenecks impacting PAVS KPIs
- Generate trace‑backed evidence for performance sign‑off and regressions
- Collect and analyze traces for: hard real‑time latency, Interrupt latency, scheduler latency, wake‑up latency
- Jitter and determinism characterization using kernel traces
- Triage real‑time violations and correlate with kernel / driver paths
- Hypervisor vs Bare‑Metal Performance Derates
- Measure and quantify performance derates in virtualized vs bare‑metal environments
Perform Subsystem‑level Triage And Trace Analysis For
- CPU (scheduling, vCPU overhead)
- GPU (submission latency, virtualization overhead)
- NPU (compute and scheduling impacts, if applicable)
- Memory (bandwidth, latency, contention)
- Disk / Storage (I/O latency, throughput)
- Network (latency, throughput, virtualization overhead)
- Identify virtualization overheads and provide optimization insights
Performance Tooling & Trace Collection
- Kernel and user‑space profiling tools: perf, ftrace, trace‑cmd
- Scheduler, IRQ, I/O trace collection
- Performance baselining and regression tracking
Required Skills
- Strong Linux system programming experience
- Must have strong hands on programming in C, C++, or Python (any one)
- Linux device driver development experience
Good to Have
- Kernel, driver, or middleware performance exposure
- Experience with real‑time Linux or hypervisors
- PnP (Power and Performance) experience
TekWissen® Group is an equal opportunity employer supporting workforce diversity.
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